Home / 398,251.39-597,377.09-231,922.75

Finding the Fourth Proportional to 398,251.39, 597,377.09 and 231,922.75

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Solution

The fourth proportional to 398,251.39, 597,377.09 and 231,922.75 is: 347,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,251.39 : 597,377.09 = 231,922.75 : x
  2. Step 2: Convert to fraction form
    398,251.39/597,377.09 = 231,922.75/x
  3. Step 3: Cross multiply
    398,251.39x = 597,377.09 × 231,922.75
  4. Step 4: Simplify right side
    398,251.39x = 138,545,337,499.80
  5. Step 5: Solve for x
    x = 138,545,337,499.80/398,251.39
  6. Step 6: Final answer
    x = 347,884.13

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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.