Home / 247,487.82-371,233.09-89,712.17

Finding the Fourth Proportional to 247,487.82, 371,233.09 and 89,712.17

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Solution

The fourth proportional to 247,487.82, 371,233.09 and 89,712.17 is: 134,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,487.82 : 371,233.09 = 89,712.17 : x
  2. Step 2: Convert to fraction form
    247,487.82/371,233.09 = 89,712.17/x
  3. Step 3: Cross multiply
    247,487.82x = 371,233.09 × 89,712.17
  4. Step 4: Simplify right side
    247,487.82x = 33,304,125,727.80
  5. Step 5: Solve for x
    x = 33,304,125,727.80/247,487.82
  6. Step 6: Final answer
    x = 134,568.75

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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.