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.
1. countable noun. 1  A proportion of a group or an amount is a part of it. 2  The proportion of one kind of person or thing in a group is the number of people or things of that kind compared to the total number of people or things in the group. The proportion of women in the profession had risen to 17.3%. The radio station has to include a substantial proportion of classical music.