Home / 408,363.12-563,542.92-238,561.20

Finding the Fourth Proportional to 408,363.12, 563,542.92 and 238,561.20

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Solution

The fourth proportional to 408,363.12, 563,542.92 and 238,561.20 is: 329,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,363.12 : 563,542.92 = 238,561.20 : x
  2. Step 2: Convert to fraction form
    408,363.12/563,542.92 = 238,561.20/x
  3. Step 3: Cross multiply
    408,363.12x = 563,542.92 × 238,561.20
  4. Step 4: Simplify right side
    408,363.12x = 134,439,475,246.70
  5. Step 5: Solve for x
    x = 134,439,475,246.70/408,363.12
  6. Step 6: Final answer
    x = 329,215.52

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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.