Home / 225,629.24-338,087.82-83,278.58

Finding the Fourth Proportional to 225,629.24, 338,087.82 and 83,278.58

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Solution

The fourth proportional to 225,629.24, 338,087.82 and 83,278.58 is: 124,786.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,629.24 : 338,087.82 = 83,278.58 : x
  2. Step 2: Convert to fraction form
    225,629.24/338,087.82 = 83,278.58/x
  3. Step 3: Cross multiply
    225,629.24x = 338,087.82 × 83,278.58
  4. Step 4: Simplify right side
    225,629.24x = 28,155,473,564.90
  5. Step 5: Solve for x
    x = 28,155,473,564.90/225,629.24
  6. Step 6: Final answer
    x = 124,786.46

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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.