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Finding the Fourth Proportional to 610,057.27, 915,081.28 and 183,591.25

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Solution

The fourth proportional to 610,057.27, 915,081.28 and 183,591.25 is: 275,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,057.27 : 915,081.28 = 183,591.25 : x
  2. Step 2: Convert to fraction form
    610,057.27/915,081.28 = 183,591.25/x
  3. Step 3: Cross multiply
    610,057.27x = 915,081.28 × 183,591.25
  4. Step 4: Simplify right side
    610,057.27x = 168,000,916,046.80
  5. Step 5: Solve for x
    x = 168,000,916,046.80/610,057.27
  6. Step 6: Final answer
    x = 275,385.48

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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.