Home / 279,182.62-418,776.18-79,502.74

Finding the Fourth Proportional to 279,182.62, 418,776.18 and 79,502.74

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Solution

The fourth proportional to 279,182.62, 418,776.18 and 79,502.74 is: 119,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,182.62 : 418,776.18 = 79,502.74 : x
  2. Step 2: Convert to fraction form
    279,182.62/418,776.18 = 79,502.74/x
  3. Step 3: Cross multiply
    279,182.62x = 418,776.18 × 79,502.74
  4. Step 4: Simplify right side
    279,182.62x = 33,293,853,756.73
  5. Step 5: Solve for x
    x = 33,293,853,756.73/279,182.62
  6. Step 6: Final answer
    x = 119,254.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.