Home / 331,010.64-496,517.00-91,127.75

Finding the Fourth Proportional to 331,010.64, 496,517.00 and 91,127.75

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Solution

The fourth proportional to 331,010.64, 496,517.00 and 91,127.75 is: 136,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,010.64 : 496,517.00 = 91,127.75 : x
  2. Step 2: Convert to fraction form
    331,010.64/496,517.00 = 91,127.75/x
  3. Step 3: Cross multiply
    331,010.64x = 496,517.00 × 91,127.75
  4. Step 4: Simplify right side
    331,010.64x = 45,246,474,108.53
  5. Step 5: Solve for x
    x = 45,246,474,108.53/331,010.64
  6. Step 6: Final answer
    x = 136,691.90

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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.