Home / 225,629.46-338,356.71-120,391.02

Finding the Fourth Proportional to 225,629.46, 338,356.71 and 120,391.02

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Solution

The fourth proportional to 225,629.46, 338,356.71 and 120,391.02 is: 180,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,629.46 : 338,356.71 = 120,391.02 : x
  2. Step 2: Convert to fraction form
    225,629.46/338,356.71 = 120,391.02/x
  3. Step 3: Cross multiply
    225,629.46x = 338,356.71 × 120,391.02
  4. Step 4: Simplify right side
    225,629.46x = 40,735,109,440.74
  5. Step 5: Solve for x
    x = 40,735,109,440.74/225,629.46
  6. Step 6: Final answer
    x = 180,539.85

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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.