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Finding the Fourth Proportional to 327,399.52, 451,424.88 and 224,083.54

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Solution

The fourth proportional to 327,399.52, 451,424.88 and 224,083.54 is: 308,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,399.52 : 451,424.88 = 224,083.54 : x
  2. Step 2: Convert to fraction form
    327,399.52/451,424.88 = 224,083.54/x
  3. Step 3: Cross multiply
    327,399.52x = 451,424.88 × 224,083.54
  4. Step 4: Simplify right side
    327,399.52x = 101,156,885,154.48
  5. Step 5: Solve for x
    x = 101,156,885,154.48/327,399.52
  6. Step 6: Final answer
    x = 308,970.78

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1.5x scale

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.