Home / 331,314.60-496,233.78-272,265.60

Finding the Fourth Proportional to 331,314.60, 496,233.78 and 272,265.60

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Solution

The fourth proportional to 331,314.60, 496,233.78 and 272,265.60 is: 407,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,314.60 : 496,233.78 = 272,265.60 : x
  2. Step 2: Convert to fraction form
    331,314.60/496,233.78 = 272,265.60/x
  3. Step 3: Cross multiply
    331,314.60x = 496,233.78 × 272,265.60
  4. Step 4: Simplify right side
    331,314.60x = 135,107,387,851.97
  5. Step 5: Solve for x
    x = 135,107,387,851.97/331,314.60
  6. Step 6: Final answer
    x = 407,791.83

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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.