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Finding the Fourth Proportional to 493,956.46, 681,660.58 and 267,601.96

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Solution

The fourth proportional to 493,956.46, 681,660.58 and 267,601.96 is: 369,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,956.46 : 681,660.58 = 267,601.96 : x
  2. Step 2: Convert to fraction form
    493,956.46/681,660.58 = 267,601.96/x
  3. Step 3: Cross multiply
    493,956.46x = 681,660.58 × 267,601.96
  4. Step 4: Simplify right side
    493,956.46x = 182,413,707,262.74
  5. Step 5: Solve for x
    x = 182,413,707,262.74/493,956.46
  6. Step 6: Final answer
    x = 369,291.07

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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.