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Finding the Fourth Proportional to 247,417.88, 371,323.56 and 89,691.44

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Solution

The fourth proportional to 247,417.88, 371,323.56 and 89,691.44 is: 134,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,417.88 : 371,323.56 = 89,691.44 : x
  2. Step 2: Convert to fraction form
    247,417.88/371,323.56 = 89,691.44/x
  3. Step 3: Cross multiply
    247,417.88x = 371,323.56 × 89,691.44
  4. Step 4: Simplify right side
    247,417.88x = 33,304,544,802.33
  5. Step 5: Solve for x
    x = 33,304,544,802.33/247,417.88
  6. Step 6: Final answer
    x = 134,608.48

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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.