Home / 279,983.82-419,819.94-166,177.88

Finding the Fourth Proportional to 279,983.82, 419,819.94 and 166,177.88

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Solution

The fourth proportional to 279,983.82, 419,819.94 and 166,177.88 is: 249,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,983.82 : 419,819.94 = 166,177.88 : x
  2. Step 2: Convert to fraction form
    279,983.82/419,819.94 = 166,177.88/x
  3. Step 3: Cross multiply
    279,983.82x = 419,819.94 × 166,177.88
  4. Step 4: Simplify right side
    279,983.82x = 69,764,787,610.93
  5. Step 5: Solve for x
    x = 69,764,787,610.93/279,983.82
  6. Step 6: Final answer
    x = 249,174.35

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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.