Home / 279,890.24-386,252.58-152,565.86

Finding the Fourth Proportional to 279,890.24, 386,252.58 and 152,565.86

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Solution

The fourth proportional to 279,890.24, 386,252.58 and 152,565.86 is: 210,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,890.24 : 386,252.58 = 152,565.86 : x
  2. Step 2: Convert to fraction form
    279,890.24/386,252.58 = 152,565.86/x
  3. Step 3: Cross multiply
    279,890.24x = 386,252.58 × 152,565.86
  4. Step 4: Simplify right side
    279,890.24x = 58,928,957,044.92
  5. Step 5: Solve for x
    x = 58,928,957,044.92/279,890.24
  6. Step 6: Final answer
    x = 210,543.09

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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.