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Finding the Fourth Proportional to 223,553.80, 335,363.96 and 73,809.90

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Solution

The fourth proportional to 223,553.80, 335,363.96 and 73,809.90 is: 110,725.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,553.80 : 335,363.96 = 73,809.90 : x
  2. Step 2: Convert to fraction form
    223,553.80/335,363.96 = 73,809.90/x
  3. Step 3: Cross multiply
    223,553.80x = 335,363.96 × 73,809.90
  4. Step 4: Simplify right side
    223,553.80x = 24,753,180,351.20
  5. Step 5: Solve for x
    x = 24,753,180,351.20/223,553.80
  6. Step 6: Final answer
    x = 110,725.83

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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.