Home / 278,958.04-384,949.68-158,092.24

Finding the Fourth Proportional to 278,958.04, 384,949.68 and 158,092.24

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Solution

The fourth proportional to 278,958.04, 384,949.68 and 158,092.24 is: 218,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,958.04 : 384,949.68 = 158,092.24 : x
  2. Step 2: Convert to fraction form
    278,958.04/384,949.68 = 158,092.24/x
  3. Step 3: Cross multiply
    278,958.04x = 384,949.68 × 158,092.24
  4. Step 4: Simplify right side
    278,958.04x = 60,857,557,198.48
  5. Step 5: Solve for x
    x = 60,857,557,198.48/278,958.04
  6. Step 6: Final answer
    x = 218,160.26

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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.