Finding the Fourth Proportional to 577,446.25, 866,154.79 and 156,711.19
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Solution
The fourth proportional to 577,446.25, 866,154.79 and 156,711.19 is: 235,062.83
Step by Step Solution
- Step 1: Write the proportion equation
577,446.25 : 866,154.79 = 156,711.19 : x - Step 2: Convert to fraction form
577,446.25/866,154.79 = 156,711.19/x - Step 3: Cross multiply
577,446.25x = 866,154.79 × 156,711.19 - Step 4: Simplify right side
577,446.25x = 135,736,147,865.10 - Step 5: Solve for x
x = 135,736,147,865.10/577,446.25 - Step 6: Final answer
x = 235,062.83
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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.