Home / 231,589.19-347,335.09-65,338.31

Finding the Fourth Proportional to 231,589.19, 347,335.09 and 65,338.31

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Solution

The fourth proportional to 231,589.19, 347,335.09 and 65,338.31 is: 97,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,589.19 : 347,335.09 = 65,338.31 : x
  2. Step 2: Convert to fraction form
    231,589.19/347,335.09 = 65,338.31/x
  3. Step 3: Cross multiply
    231,589.19x = 347,335.09 × 65,338.31
  4. Step 4: Simplify right side
    231,589.19x = 22,694,288,489.29
  5. Step 5: Solve for x
    x = 22,694,288,489.29/231,589.19
  6. Step 6: Final answer
    x = 97,993.73

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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.