Home / 488,043.27-731,793.30-150,990.12

Finding the Fourth Proportional to 488,043.27, 731,793.30 and 150,990.12

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Solution

The fourth proportional to 488,043.27, 731,793.30 and 150,990.12 is: 226,401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,043.27 : 731,793.30 = 150,990.12 : x
  2. Step 2: Convert to fraction form
    488,043.27/731,793.30 = 150,990.12/x
  3. Step 3: Cross multiply
    488,043.27x = 731,793.30 × 150,990.12
  4. Step 4: Simplify right side
    488,043.27x = 110,493,558,182.20
  5. Step 5: Solve for x
    x = 110,493,558,182.20/488,043.27
  6. Step 6: Final answer
    x = 226,401.15

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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.