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Finding the Fourth Proportional to 263,704.92, 395,308.24 and 239,540.96

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Solution

The fourth proportional to 263,704.92, 395,308.24 and 239,540.96 is: 359,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,704.92 : 395,308.24 = 239,540.96 : x
  2. Step 2: Convert to fraction form
    263,704.92/395,308.24 = 239,540.96/x
  3. Step 3: Cross multiply
    263,704.92x = 395,308.24 × 239,540.96
  4. Step 4: Simplify right side
    263,704.92x = 94,692,515,694.93
  5. Step 5: Solve for x
    x = 94,692,515,694.93/263,704.92
  6. Step 6: Final answer
    x = 359,085.13

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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.