In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.
Q: [221.987, 230.228, 28.524, -94.997, 95.886, 35.329, 186.551, -50.159]
A: 
[ 0.34   0.352  0.044 -0.145  0.147  0.054  0.286 -0.077]