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Finding the Fourth Proportional to 331,462.20, 497,193.30 and 82,144.20

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Solution

The fourth proportional to 331,462.20, 497,193.30 and 82,144.20 is: 123,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,462.20 : 497,193.30 = 82,144.20 : x
  2. Step 2: Convert to fraction form
    331,462.20/497,193.30 = 82,144.20/x
  3. Step 3: Cross multiply
    331,462.20x = 497,193.30 × 82,144.20
  4. Step 4: Simplify right side
    331,462.20x = 40,841,545,873.86
  5. Step 5: Solve for x
    x = 40,841,545,873.86/331,462.20
  6. Step 6: Final answer
    x = 123,216.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.