Home / 204,414.30-306,512.10-71,298.90

Finding the Fourth Proportional to 204,414.30, 306,512.10 and 71,298.90

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Solution

The fourth proportional to 204,414.30, 306,512.10 and 71,298.90 is: 106,910.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,414.30 : 306,512.10 = 71,298.90 : x
  2. Step 2: Convert to fraction form
    204,414.30/306,512.10 = 71,298.90/x
  3. Step 3: Cross multiply
    204,414.30x = 306,512.10 × 71,298.90
  4. Step 4: Simplify right side
    204,414.30x = 21,853,975,566.69
  5. Step 5: Solve for x
    x = 21,853,975,566.69/204,414.30
  6. Step 6: Final answer
    x = 106,910.21

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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.