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Finding the Fourth Proportional to 192,540.54, 288,791.53 and 59,384.70

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Solution

The fourth proportional to 192,540.54, 288,791.53 and 59,384.70 is: 89,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,540.54 : 288,791.53 = 59,384.70 : x
  2. Step 2: Convert to fraction form
    192,540.54/288,791.53 = 59,384.70/x
  3. Step 3: Cross multiply
    192,540.54x = 288,791.53 × 59,384.70
  4. Step 4: Simplify right side
    192,540.54x = 17,149,798,371.59
  5. Step 5: Solve for x
    x = 17,149,798,371.59/192,540.54
  6. Step 6: Final answer
    x = 89,071.10

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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.