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Finding the Fourth Proportional to 247,446.70, 371,169.91 and 89,674.90

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Solution

The fourth proportional to 247,446.70, 371,169.91 and 89,674.90 is: 134,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,446.70 : 371,169.91 = 89,674.90 : x
  2. Step 2: Convert to fraction form
    247,446.70/371,169.91 = 89,674.90/x
  3. Step 3: Cross multiply
    247,446.70x = 371,169.91 × 89,674.90
  4. Step 4: Simplify right side
    247,446.70x = 33,284,623,746.43
  5. Step 5: Solve for x
    x = 33,284,623,746.43/247,446.70
  6. Step 6: Final answer
    x = 134,512.30

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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.