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Finding the Fourth Proportional to 192,242.76, 288,500.22 and 67,593.48

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Solution

The fourth proportional to 192,242.76, 288,500.22 and 67,593.48 is: 101,438.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,242.76 : 288,500.22 = 67,593.48 : x
  2. Step 2: Convert to fraction form
    192,242.76/288,500.22 = 67,593.48/x
  3. Step 3: Cross multiply
    192,242.76x = 288,500.22 × 67,593.48
  4. Step 4: Simplify right side
    192,242.76x = 19,500,733,850.57
  5. Step 5: Solve for x
    x = 19,500,733,850.57/192,242.76
  6. Step 6: Final answer
    x = 101,438.07

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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.