Home / 493,973.27-681,686.39-267,618.77

Finding the Fourth Proportional to 493,973.27, 681,686.39 and 267,618.77

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Solution

The fourth proportional to 493,973.27, 681,686.39 and 267,618.77 is: 369,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,973.27 : 681,686.39 = 267,618.77 : x
  2. Step 2: Convert to fraction form
    493,973.27/681,686.39 = 267,618.77/x
  3. Step 3: Cross multiply
    493,973.27x = 681,686.39 × 267,618.77
  4. Step 4: Simplify right side
    493,973.27x = 182,432,073,217.54
  5. Step 5: Solve for x
    x = 182,432,073,217.54/493,973.27
  6. Step 6: Final answer
    x = 369,315.68

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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.