Home / 279,839.28-386,182.68-152,514.96

Finding the Fourth Proportional to 279,839.28, 386,182.68 and 152,514.96

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Solution

The fourth proportional to 279,839.28, 386,182.68 and 152,514.96 is: 210,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,839.28 : 386,182.68 = 152,514.96 : x
  2. Step 2: Convert to fraction form
    279,839.28/386,182.68 = 152,514.96/x
  3. Step 3: Cross multiply
    279,839.28x = 386,182.68 × 152,514.96
  4. Step 4: Simplify right side
    279,839.28x = 58,898,635,992.89
  5. Step 5: Solve for x
    x = 58,898,635,992.89/279,839.28
  6. Step 6: Final answer
    x = 210,473.08

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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.