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Finding the Fourth Proportional to 307,737, 424,691.73 and 173,601

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Solution

The fourth proportional to 307,737, 424,691.73 and 173,601 is: 239,577.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,737 : 424,691.73 = 173,601 : x
  2. Step 2: Convert to fraction form
    307,737/424,691.73 = 173,601/x
  3. Step 3: Cross multiply
    307,737x = 424,691.73 × 173,601
  4. Step 4: Simplify right side
    307,737x = 73,726,909,019.73
  5. Step 5: Solve for x
    x = 73,726,909,019.73/307,737
  6. Step 6: Final answer
    x = 239,577.66

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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.