Home / 399,348.43-598,067.15-230,517.50

Finding the Fourth Proportional to 399,348.43, 598,067.15 and 230,517.50

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Solution

The fourth proportional to 399,348.43, 598,067.15 and 230,517.50 is: 345,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,348.43 : 598,067.15 = 230,517.50 : x
  2. Step 2: Convert to fraction form
    399,348.43/598,067.15 = 230,517.50/x
  3. Step 3: Cross multiply
    399,348.43x = 598,067.15 × 230,517.50
  4. Step 4: Simplify right side
    399,348.43x = 137,864,940,107.20
  5. Step 5: Solve for x
    x = 137,864,940,107.20/399,348.43
  6. Step 6: Final answer
    x = 345,224.70

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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.