Home / 242,546.20-363,819.30-149,104.60

Finding the Fourth Proportional to 242,546.20, 363,819.30 and 149,104.60

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Solution

The fourth proportional to 242,546.20, 363,819.30 and 149,104.60 is: 223,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,546.20 : 363,819.30 = 149,104.60 : x
  2. Step 2: Convert to fraction form
    242,546.20/363,819.30 = 149,104.60/x
  3. Step 3: Cross multiply
    242,546.20x = 363,819.30 × 149,104.60
  4. Step 4: Simplify right side
    242,546.20x = 54,247,131,198.78
  5. Step 5: Solve for x
    x = 54,247,131,198.78/242,546.20
  6. Step 6: Final answer
    x = 223,656.90

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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.