Home / 215,738.22-323,753.12-75,498.06

Finding the Fourth Proportional to 215,738.22, 323,753.12 and 75,498.06

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Solution

The fourth proportional to 215,738.22, 323,753.12 and 75,498.06 is: 113,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,738.22 : 323,753.12 = 75,498.06 : x
  2. Step 2: Convert to fraction form
    215,738.22/323,753.12 = 75,498.06/x
  3. Step 3: Cross multiply
    215,738.22x = 323,753.12 × 75,498.06
  4. Step 4: Simplify right side
    215,738.22x = 24,442,732,478.95
  5. Step 5: Solve for x
    x = 24,442,732,478.95/215,738.22
  6. Step 6: Final answer
    x = 113,298.11

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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.