Finding the Fourth Proportional to 387,515.68, 581,306.88 and 107,032.96
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Solution
The fourth proportional to 387,515.68, 581,306.88 and 107,032.96 is: 160,558.65
Step by Step Solution
- Step 1: Write the proportion equation
387,515.68 : 581,306.88 = 107,032.96 : x - Step 2: Convert to fraction form
387,515.68/581,306.88 = 107,032.96/x - Step 3: Cross multiply
387,515.68x = 581,306.88 × 107,032.96 - Step 4: Simplify right side
387,515.68x = 62,218,996,034.76 - Step 5: Solve for x
x = 62,218,996,034.76/387,515.68 - Step 6: Final answer
x = 160,558.65
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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.