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Finding the Fourth Proportional to 377,630.76, 566,446.16 and 140,991.90

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Solution

The fourth proportional to 377,630.76, 566,446.16 and 140,991.90 is: 211,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,630.76 : 566,446.16 = 140,991.90 : x
  2. Step 2: Convert to fraction form
    377,630.76/566,446.16 = 140,991.90/x
  3. Step 3: Cross multiply
    377,630.76x = 566,446.16 × 140,991.90
  4. Step 4: Simplify right side
    377,630.76x = 79,864,319,641.14
  5. Step 5: Solve for x
    x = 79,864,319,641.14/377,630.76
  6. Step 6: Final answer
    x = 211,487.86

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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.