Home / 225,376.97-311,010.62-123,400.58

Finding the Fourth Proportional to 225,376.97, 311,010.62 and 123,400.58

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Solution

The fourth proportional to 225,376.97, 311,010.62 and 123,400.58 is: 170,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,376.97 : 311,010.62 = 123,400.58 : x
  2. Step 2: Convert to fraction form
    225,376.97/311,010.62 = 123,400.58/x
  3. Step 3: Cross multiply
    225,376.97x = 311,010.62 × 123,400.58
  4. Step 4: Simplify right side
    225,376.97x = 38,378,888,722.10
  5. Step 5: Solve for x
    x = 38,378,888,722.10/225,376.97
  6. Step 6: Final answer
    x = 170,287.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.