Home / 226,608.39-312,721.67-123,243.56

Finding the Fourth Proportional to 226,608.39, 312,721.67 and 123,243.56

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Solution

The fourth proportional to 226,608.39, 312,721.67 and 123,243.56 is: 170,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,608.39 : 312,721.67 = 123,243.56 : x
  2. Step 2: Convert to fraction form
    226,608.39/312,721.67 = 123,243.56/x
  3. Step 3: Cross multiply
    226,608.39x = 312,721.67 × 123,243.56
  4. Step 4: Simplify right side
    226,608.39x = 38,540,929,720.12
  5. Step 5: Solve for x
    x = 38,540,929,720.12/226,608.39
  6. Step 6: Final answer
    x = 170,077.24

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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.