Home / 396,757.12-547,391.64-224,651.56

Finding the Fourth Proportional to 396,757.12, 547,391.64 and 224,651.56

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Solution

The fourth proportional to 396,757.12, 547,391.64 and 224,651.56 is: 309,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,757.12 : 547,391.64 = 224,651.56 : x
  2. Step 2: Convert to fraction form
    396,757.12/547,391.64 = 224,651.56/x
  3. Step 3: Cross multiply
    396,757.12x = 547,391.64 × 224,651.56
  4. Step 4: Simplify right side
    396,757.12x = 122,972,385,856.96
  5. Step 5: Solve for x
    x = 122,972,385,856.96/396,757.12
  6. Step 6: Final answer
    x = 309,943.74

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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.