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Finding the Fourth Proportional to 474,654.38, 712,098.23 and 142,230.38

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Solution

The fourth proportional to 474,654.38, 712,098.23 and 142,230.38 is: 213,380.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,654.38 : 712,098.23 = 142,230.38 : x
  2. Step 2: Convert to fraction form
    474,654.38/712,098.23 = 142,230.38/x
  3. Step 3: Cross multiply
    474,654.38x = 712,098.23 × 142,230.38
  4. Step 4: Simplify right side
    474,654.38x = 101,281,997,578.58
  5. Step 5: Solve for x
    x = 101,281,997,578.58/474,654.38
  6. Step 6: Final answer
    x = 213,380.52

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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.