Home / 312,829.44-431,704.92-169,589.36

Finding the Fourth Proportional to 312,829.44, 431,704.92 and 169,589.36

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Solution

The fourth proportional to 312,829.44, 431,704.92 and 169,589.36 is: 234,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,829.44 : 431,704.92 = 169,589.36 : x
  2. Step 2: Convert to fraction form
    312,829.44/431,704.92 = 169,589.36/x
  3. Step 3: Cross multiply
    312,829.44x = 431,704.92 × 169,589.36
  4. Step 4: Simplify right side
    312,829.44x = 73,212,561,091.65
  5. Step 5: Solve for x
    x = 73,212,561,091.65/312,829.44
  6. Step 6: Final answer
    x = 234,033.48

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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.