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Finding the Fourth Proportional to 225,752.73, 338,601.42 and 131,034.51

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Solution

The fourth proportional to 225,752.73, 338,601.42 and 131,034.51 is: 196,535.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,752.73 : 338,601.42 = 131,034.51 : x
  2. Step 2: Convert to fraction form
    225,752.73/338,601.42 = 131,034.51/x
  3. Step 3: Cross multiply
    225,752.73x = 338,601.42 × 131,034.51
  4. Step 4: Simplify right side
    225,752.73x = 44,368,471,155.00
  5. Step 5: Solve for x
    x = 44,368,471,155.00/225,752.73
  6. Step 6: Final answer
    x = 196,535.70

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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.