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Finding the Fourth Proportional to 363,732.61, 501,862.49 and 239,540.76

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Solution

The fourth proportional to 363,732.61, 501,862.49 and 239,540.76 is: 330,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,732.61 : 501,862.49 = 239,540.76 : x
  2. Step 2: Convert to fraction form
    363,732.61/501,862.49 = 239,540.76/x
  3. Step 3: Cross multiply
    363,732.61x = 501,862.49 × 239,540.76
  4. Step 4: Simplify right side
    363,732.61x = 120,216,523,820.20
  5. Step 5: Solve for x
    x = 120,216,523,820.20/363,732.61
  6. Step 6: Final answer
    x = 330,507.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.