Home / 331,245.30-496,876.08-120,883.20

Finding the Fourth Proportional to 331,245.30, 496,876.08 and 120,883.20

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Solution

The fourth proportional to 331,245.30, 496,876.08 and 120,883.20 is: 181,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,245.30 : 496,876.08 = 120,883.20 : x
  2. Step 2: Convert to fraction form
    331,245.30/496,876.08 = 120,883.20/x
  3. Step 3: Cross multiply
    331,245.30x = 496,876.08 × 120,883.20
  4. Step 4: Simplify right side
    331,245.30x = 60,063,970,553.86
  5. Step 5: Solve for x
    x = 60,063,970,553.86/331,245.30
  6. Step 6: Final answer
    x = 181,327.77

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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.