Home / 279,723.71-386,005.30-158,849.03

Finding the Fourth Proportional to 279,723.71, 386,005.30 and 158,849.03

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Solution

The fourth proportional to 279,723.71, 386,005.30 and 158,849.03 is: 219,204.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,723.71 : 386,005.30 = 158,849.03 : x
  2. Step 2: Convert to fraction form
    279,723.71/386,005.30 = 158,849.03/x
  3. Step 3: Cross multiply
    279,723.71x = 386,005.30 × 158,849.03
  4. Step 4: Simplify right side
    279,723.71x = 61,316,568,047.75
  5. Step 5: Solve for x
    x = 61,316,568,047.75/279,723.71
  6. Step 6: Final answer
    x = 219,204.04

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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.