150 pounds divided into 4:1 ratio means that there are 4+1 = 5 portions.
one quantity is 4 times the amount of the other quantity.
150 can be divided into 5 portions,
therefore 1 portion is =150/5 = 30
First quantity is 4 times the amount of one portion = 4*30 = 120
and other portion is 30
therefore quantities are divided as 120:30
