Another round of winter weather moves into the South Associated Press; The 38 most amazing photos of this week's weather
proportional - one of the quantities in a mathematical proportion. quantity - the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable. proportion - the quotient obtained when the magnitude of a part is divided by the magnitude of the whole.
A proportion is a mathematical comparison between two numbers. Often, these numbers can represent a comparison between things or people. For example, say you walked into a room full of people. You want to know how many boys there are in comparison to how many girls there are in the room. You would write that comparison in the form of a proportion. You can write mathematical proportions in two ways. You can compare the numbers with colons, or you can write the proportion in the form of equivalent fractions.