Finding the Fourth Proportional to 577,742.42, 866,438.67 and 156,963.62
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Solution
The fourth proportional to 577,742.42, 866,438.67 and 156,963.62 is: 235,397.90
Step by Step Solution
- Step 1: Write the proportion equation
577,742.42 : 866,438.67 = 156,963.62 : x - Step 2: Convert to fraction form
577,742.42/866,438.67 = 156,963.62/x - Step 3: Cross multiply
577,742.42x = 866,438.67 × 156,963.62 - Step 4: Simplify right side
577,742.42x = 135,999,350,151.19 - Step 5: Solve for x
x = 135,999,350,151.19/577,742.42 - Step 6: Final answer
x = 235,397.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.