Home / 247,593.60-371,415-89,834.35

Finding the Fourth Proportional to 247,593.60, 371,415 and 89,834.35

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Solution

The fourth proportional to 247,593.60, 371,415 and 89,834.35 is: 134,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,593.60 : 371,415 = 89,834.35 : x
  2. Step 2: Convert to fraction form
    247,593.60/371,415 = 89,834.35/x
  3. Step 3: Cross multiply
    247,593.60x = 371,415 × 89,834.35
  4. Step 4: Simplify right side
    247,593.60x = 33,365,825,105.25
  5. Step 5: Solve for x
    x = 33,365,825,105.25/247,593.60
  6. Step 6: Final answer
    x = 134,760.45

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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.