Home / 331,401.30-496,972.35-120,930.90

Finding the Fourth Proportional to 331,401.30, 496,972.35 and 120,930.90

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Solution

The fourth proportional to 331,401.30, 496,972.35 and 120,930.90 is: 181,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,401.30 : 496,972.35 = 120,930.90 : x
  2. Step 2: Convert to fraction form
    331,401.30/496,972.35 = 120,930.90/x
  3. Step 3: Cross multiply
    331,401.30x = 496,972.35 × 120,930.90
  4. Step 4: Simplify right side
    331,401.30x = 60,099,313,560.62
  5. Step 5: Solve for x
    x = 60,099,313,560.62/331,401.30
  6. Step 6: Final answer
    x = 181,349.06

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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.