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Finding the Fourth Proportional to 192,381.53, 288,558.60 and 59,247.90

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Solution

The fourth proportional to 192,381.53, 288,558.60 and 59,247.90 is: 88,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,381.53 : 288,558.60 = 59,247.90 : x
  2. Step 2: Convert to fraction form
    192,381.53/288,558.60 = 59,247.90/x
  3. Step 3: Cross multiply
    192,381.53x = 288,558.60 × 59,247.90
  4. Step 4: Simplify right side
    192,381.53x = 17,096,491,076.94
  5. Step 5: Solve for x
    x = 17,096,491,076.94/192,381.53
  6. Step 6: Final answer
    x = 88,867.63

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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.