Home / 225,479.14-338,390.07-83,458.78

Finding the Fourth Proportional to 225,479.14, 338,390.07 and 83,458.78

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Solution

The fourth proportional to 225,479.14, 338,390.07 and 83,458.78 is: 125,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,479.14 : 338,390.07 = 83,458.78 : x
  2. Step 2: Convert to fraction form
    225,479.14/338,390.07 = 83,458.78/x
  3. Step 3: Cross multiply
    225,479.14x = 338,390.07 × 83,458.78
  4. Step 4: Simplify right side
    225,479.14x = 28,241,622,406.31
  5. Step 5: Solve for x
    x = 28,241,622,406.31/225,479.14
  6. Step 6: Final answer
    x = 125,251.60

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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.