Home / 263,976.47-395,944.03-74,429.18

Finding the Fourth Proportional to 263,976.47, 395,944.03 and 74,429.18

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Solution

The fourth proportional to 263,976.47, 395,944.03 and 74,429.18 is: 111,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,976.47 : 395,944.03 = 74,429.18 : x
  2. Step 2: Convert to fraction form
    263,976.47/395,944.03 = 74,429.18/x
  3. Step 3: Cross multiply
    263,976.47x = 395,944.03 × 74,429.18
  4. Step 4: Simplify right side
    263,976.47x = 29,469,789,478.80
  5. Step 5: Solve for x
    x = 29,469,789,478.80/263,976.47
  6. Step 6: Final answer
    x = 111,637.94

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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.