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Finding the Fourth Proportional to 192,654.28, 288,858.33 and 92,615.41

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Solution

The fourth proportional to 192,654.28, 288,858.33 and 92,615.41 is: 138,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,654.28 : 288,858.33 = 92,615.41 : x
  2. Step 2: Convert to fraction form
    192,654.28/288,858.33 = 92,615.41/x
  3. Step 3: Cross multiply
    192,654.28x = 288,858.33 × 92,615.41
  4. Step 4: Simplify right side
    192,654.28x = 26,752,732,664.87
  5. Step 5: Solve for x
    x = 26,752,732,664.87/192,654.28
  6. Step 6: Final answer
    x = 138,863.94

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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.