Home / 279,731.96-419,963.82-166,087.24

Finding the Fourth Proportional to 279,731.96, 419,963.82 and 166,087.24

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Solution

The fourth proportional to 279,731.96, 419,963.82 and 166,087.24 is: 249,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,731.96 : 419,963.82 = 166,087.24 : x
  2. Step 2: Convert to fraction form
    279,731.96/419,963.82 = 166,087.24/x
  3. Step 3: Cross multiply
    279,731.96x = 419,963.82 × 166,087.24
  4. Step 4: Simplify right side
    279,731.96x = 69,750,631,665.78
  5. Step 5: Solve for x
    x = 69,750,631,665.78/279,731.96
  6. Step 6: Final answer
    x = 249,348.09

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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.