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Finding the Fourth Proportional to 247,607.08, 371,428.86 and 89,836.36

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Solution

The fourth proportional to 247,607.08, 371,428.86 and 89,836.36 is: 134,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,607.08 : 371,428.86 = 89,836.36 : x
  2. Step 2: Convert to fraction form
    247,607.08/371,428.86 = 89,836.36/x
  3. Step 3: Cross multiply
    247,607.08x = 371,428.86 × 89,836.36
  4. Step 4: Simplify right side
    247,607.08x = 33,367,816,781.35
  5. Step 5: Solve for x
    x = 33,367,816,781.35/247,607.08
  6. Step 6: Final answer
    x = 134,761.16

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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.