Finding the Fourth Proportional to 416,146.98, 574,278.75 and 225,156.18
Calculator
Solution
The fourth proportional to 416,146.98, 574,278.75 and 225,156.18 is: 310,713.32
Step by Step Solution
- Step 1: Write the proportion equation
416,146.98 : 574,278.75 = 225,156.18 : x - Step 2: Convert to fraction form
416,146.98/574,278.75 = 225,156.18/x - Step 3: Cross multiply
416,146.98x = 574,278.75 × 225,156.18 - Step 4: Simplify right side
416,146.98x = 129,302,409,605.18 - Step 5: Solve for x
x = 129,302,409,605.18/416,146.98 - Step 6: Final answer
x = 310,713.32
Related Problems
Find fourth proportional to 208,073.49, 287,139.38 and 112,578.09
Half scale
Find fourth proportional to 832,293.96, 1,148,557.50 and 450,312.36
Double scale
Find fourth proportional to 416,147.98, 574,280.13 and 225,157.18
Similar ratio
Find fourth proportional to 624,220.47, 861,418.13 and 337,734.27
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.