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Finding the Fourth Proportional to 263,519.52, 363,654 and 142,657.92

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Solution

The fourth proportional to 263,519.52, 363,654 and 142,657.92 is: 196,866.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,519.52 : 363,654 = 142,657.92 : x
  2. Step 2: Convert to fraction form
    263,519.52/363,654 = 142,657.92/x
  3. Step 3: Cross multiply
    263,519.52x = 363,654 × 142,657.92
  4. Step 4: Simplify right side
    263,519.52x = 51,878,123,239.68
  5. Step 5: Solve for x
    x = 51,878,123,239.68/263,519.52
  6. Step 6: Final answer
    x = 196,866.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.