Home / 393,227.27-542,711.89-240,353.54

Finding the Fourth Proportional to 393,227.27, 542,711.89 and 240,353.54

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Solution

The fourth proportional to 393,227.27, 542,711.89 and 240,353.54 is: 331,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,227.27 : 542,711.89 = 240,353.54 : x
  2. Step 2: Convert to fraction form
    393,227.27/542,711.89 = 240,353.54/x
  3. Step 3: Cross multiply
    393,227.27x = 542,711.89 × 240,353.54
  4. Step 4: Simplify right side
    393,227.27x = 130,442,723,961.59
  5. Step 5: Solve for x
    x = 130,442,723,961.59/393,227.27
  6. Step 6: Final answer
    x = 331,723.49

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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.