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Finding the Fourth Proportional to 297,027.38, 445,578.42 and 145,229.54

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Solution

The fourth proportional to 297,027.38, 445,578.42 and 145,229.54 is: 217,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,027.38 : 445,578.42 = 145,229.54 : x
  2. Step 2: Convert to fraction form
    297,027.38/445,578.42 = 145,229.54/x
  3. Step 3: Cross multiply
    297,027.38x = 445,578.42 × 145,229.54
  4. Step 4: Simplify right side
    297,027.38x = 64,711,147,287.25
  5. Step 5: Solve for x
    x = 64,711,147,287.25/297,027.38
  6. Step 6: Final answer
    x = 217,862.56

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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.