Home / 279,847.06-386,177.70-152,519.92

Finding the Fourth Proportional to 279,847.06, 386,177.70 and 152,519.92

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Solution

The fourth proportional to 279,847.06, 386,177.70 and 152,519.92 is: 210,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,847.06 : 386,177.70 = 152,519.92 : x
  2. Step 2: Convert to fraction form
    279,847.06/386,177.70 = 152,519.92/x
  3. Step 3: Cross multiply
    279,847.06x = 386,177.70 × 152,519.92
  4. Step 4: Simplify right side
    279,847.06x = 58,899,791,909.78
  5. Step 5: Solve for x
    x = 58,899,791,909.78/279,847.06
  6. Step 6: Final answer
    x = 210,471.36

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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.