Home / 231,489.09-347,266.92-71,577.51

Finding the Fourth Proportional to 231,489.09, 347,266.92 and 71,577.51

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Solution

The fourth proportional to 231,489.09, 347,266.92 and 71,577.51 is: 107,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,489.09 : 347,266.92 = 71,577.51 : x
  2. Step 2: Convert to fraction form
    231,489.09/347,266.92 = 71,577.51/x
  3. Step 3: Cross multiply
    231,489.09x = 347,266.92 × 71,577.51
  4. Step 4: Simplify right side
    231,489.09x = 24,856,501,438.97
  5. Step 5: Solve for x
    x = 24,856,501,438.97/231,489.09
  6. Step 6: Final answer
    x = 107,376.56

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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.