Home / 498,143.78-747,160.31-178,282.73

Finding the Fourth Proportional to 498,143.78, 747,160.31 and 178,282.73

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Solution

The fourth proportional to 498,143.78, 747,160.31 and 178,282.73 is: 267,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,143.78 : 747,160.31 = 178,282.73 : x
  2. Step 2: Convert to fraction form
    498,143.78/747,160.31 = 178,282.73/x
  3. Step 3: Cross multiply
    498,143.78x = 747,160.31 × 178,282.73
  4. Step 4: Simplify right side
    498,143.78x = 133,205,775,187.23
  5. Step 5: Solve for x
    x = 133,205,775,187.23/498,143.78
  6. Step 6: Final answer
    x = 267,404.27

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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.