Finding the Fourth Proportional to 371,864.97, 557,575.68 and 147,257.64
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Solution
The fourth proportional to 371,864.97, 557,575.68 and 147,257.64 is: 220,798.64
Step by Step Solution
- Step 1: Write the proportion equation
371,864.97 : 557,575.68 = 147,257.64 : x - Step 2: Convert to fraction form
371,864.97/557,575.68 = 147,257.64/x - Step 3: Cross multiply
371,864.97x = 557,575.68 × 147,257.64 - Step 4: Simplify right side
371,864.97x = 82,107,278,758.20 - Step 5: Solve for x
x = 82,107,278,758.20/371,864.97 - Step 6: Final answer
x = 220,798.64
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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.