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Finding the Fourth Proportional to 247,399.76, 371,296.44 and 89,673.20

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Solution

The fourth proportional to 247,399.76, 371,296.44 and 89,673.20 is: 134,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,399.76 : 371,296.44 = 89,673.20 : x
  2. Step 2: Convert to fraction form
    247,399.76/371,296.44 = 89,673.20/x
  3. Step 3: Cross multiply
    247,399.76x = 371,296.44 × 89,673.20
  4. Step 4: Simplify right side
    247,399.76x = 33,295,339,923.41
  5. Step 5: Solve for x
    x = 33,295,339,923.41/247,399.76
  6. Step 6: Final answer
    x = 134,581.13

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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.