Home / 396,819.25-547,614.54-215,534.73

Finding the Fourth Proportional to 396,819.25, 547,614.54 and 215,534.73

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Solution

The fourth proportional to 396,819.25, 547,614.54 and 215,534.73 is: 297,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,819.25 : 547,614.54 = 215,534.73 : x
  2. Step 2: Convert to fraction form
    396,819.25/547,614.54 = 215,534.73/x
  3. Step 3: Cross multiply
    396,819.25x = 547,614.54 × 215,534.73
  4. Step 4: Simplify right side
    396,819.25x = 118,029,952,022.97
  5. Step 5: Solve for x
    x = 118,029,952,022.97/396,819.25
  6. Step 6: Final answer
    x = 297,440.09

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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.