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Finding the Fourth Proportional to 247,393.52, 371,089.32 and 89,585.06

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Solution

The fourth proportional to 247,393.52, 371,089.32 and 89,585.06 is: 134,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,393.52 : 371,089.32 = 89,585.06 : x
  2. Step 2: Convert to fraction form
    247,393.52/371,089.32 = 89,585.06/x
  3. Step 3: Cross multiply
    247,393.52x = 371,089.32 × 89,585.06
  4. Step 4: Simplify right side
    247,393.52x = 33,244,058,997.56
  5. Step 5: Solve for x
    x = 33,244,058,997.56/247,393.52
  6. Step 6: Final answer
    x = 134,377.24

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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.