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Finding the Fourth Proportional to 493,959.92, 681,660.41 and 267,604.88

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Solution

The fourth proportional to 493,959.92, 681,660.41 and 267,604.88 is: 369,292.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,959.92 : 681,660.41 = 267,604.88 : x
  2. Step 2: Convert to fraction form
    493,959.92/681,660.41 = 267,604.88/x
  3. Step 3: Cross multiply
    493,959.92x = 681,660.41 × 267,604.88
  4. Step 4: Simplify right side
    493,959.92x = 182,415,654,591.96
  5. Step 5: Solve for x
    x = 182,415,654,591.96/493,959.92
  6. Step 6: Final answer
    x = 369,292.42

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1.5x scale

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.