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Finding the Fourth Proportional to 574,207.92, 861,355.80 and 174,882.72

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Solution

The fourth proportional to 574,207.92, 861,355.80 and 174,882.72 is: 262,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,207.92 : 861,355.80 = 174,882.72 : x
  2. Step 2: Convert to fraction form
    574,207.92/861,355.80 = 174,882.72/x
  3. Step 3: Cross multiply
    574,207.92x = 861,355.80 × 174,882.72
  4. Step 4: Simplify right side
    574,207.92x = 150,636,245,191.78
  5. Step 5: Solve for x
    x = 150,636,245,191.78/574,207.92
  6. Step 6: Final answer
    x = 262,337.46

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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.