Home / 279,836.06-386,162.52-152,508.92

Finding the Fourth Proportional to 279,836.06, 386,162.52 and 152,508.92

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Solution

The fourth proportional to 279,836.06, 386,162.52 and 152,508.92 is: 210,456.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,836.06 : 386,162.52 = 152,508.92 : x
  2. Step 2: Convert to fraction form
    279,836.06/386,162.52 = 152,508.92/x
  3. Step 3: Cross multiply
    279,836.06x = 386,162.52 × 152,508.92
  4. Step 4: Simplify right side
    279,836.06x = 58,893,228,869.68
  5. Step 5: Solve for x
    x = 58,893,228,869.68/279,836.06
  6. Step 6: Final answer
    x = 210,456.18

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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.