Home / 396,760.44-547,529.27-215,472.42

Finding the Fourth Proportional to 396,760.44, 547,529.27 and 215,472.42

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Solution

The fourth proportional to 396,760.44, 547,529.27 and 215,472.42 is: 297,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,760.44 : 547,529.27 = 215,472.42 : x
  2. Step 2: Convert to fraction form
    396,760.44/547,529.27 = 215,472.42/x
  3. Step 3: Cross multiply
    396,760.44x = 547,529.27 × 215,472.42
  4. Step 4: Simplify right side
    396,760.44x = 117,977,456,827.73
  5. Step 5: Solve for x
    x = 117,977,456,827.73/396,760.44
  6. Step 6: Final answer
    x = 297,351.87

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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.