Home / 438,176.20-657,257.46-224,821

Finding the Fourth Proportional to 438,176.20, 657,257.46 and 224,821

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Solution

The fourth proportional to 438,176.20, 657,257.46 and 224,821 is: 337,227.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,176.20 : 657,257.46 = 224,821 : x
  2. Step 2: Convert to fraction form
    438,176.20/657,257.46 = 224,821/x
  3. Step 3: Cross multiply
    438,176.20x = 657,257.46 × 224,821
  4. Step 4: Simplify right side
    438,176.20x = 147,765,279,414.66
  5. Step 5: Solve for x
    x = 147,765,279,414.66/438,176.20
  6. Step 6: Final answer
    x = 337,227.99

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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.