Finding the Fourth Proportional to 381,624.14, 572,698.65 and 132,306.14
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Solution
The fourth proportional to 381,624.14, 572,698.65 and 132,306.14 is: 198,550.19
Step by Step Solution
- Step 1: Write the proportion equation
381,624.14 : 572,698.65 = 132,306.14 : x - Step 2: Convert to fraction form
381,624.14/572,698.65 = 132,306.14/x - Step 3: Cross multiply
381,624.14x = 572,698.65 × 132,306.14 - Step 4: Simplify right side
381,624.14x = 75,771,544,901.22 - Step 5: Solve for x
x = 75,771,544,901.22/381,624.14 - Step 6: Final answer
x = 198,550.19
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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.