Home / 274,723.70-411,753.38-141,531.30

Finding the Fourth Proportional to 274,723.70, 411,753.38 and 141,531.30

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Solution

The fourth proportional to 274,723.70, 411,753.38 and 141,531.30 is: 212,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,723.70 : 411,753.38 = 141,531.30 : x
  2. Step 2: Convert to fraction form
    274,723.70/411,753.38 = 141,531.30/x
  3. Step 3: Cross multiply
    274,723.70x = 411,753.38 × 141,531.30
  4. Step 4: Simplify right side
    274,723.70x = 58,275,990,443.14
  5. Step 5: Solve for x
    x = 58,275,990,443.14/274,723.70
  6. Step 6: Final answer
    x = 212,125.82

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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.