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Finding the Fourth Proportional to 454,463.31, 627,155.82 and 247,731.21

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Solution

The fourth proportional to 454,463.31, 627,155.82 and 247,731.21 is: 341,867.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,463.31 : 627,155.82 = 247,731.21 : x
  2. Step 2: Convert to fraction form
    454,463.31/627,155.82 = 247,731.21/x
  3. Step 3: Cross multiply
    454,463.31x = 627,155.82 × 247,731.21
  4. Step 4: Simplify right side
    454,463.31x = 155,366,070,147.14
  5. Step 5: Solve for x
    x = 155,366,070,147.14/454,463.31
  6. Step 6: Final answer
    x = 341,867.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.