Home / 231,445.47-319,379.67-129,453.24

Finding the Fourth Proportional to 231,445.47, 319,379.67 and 129,453.24

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Solution

The fourth proportional to 231,445.47, 319,379.67 and 129,453.24 is: 178,637.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,445.47 : 319,379.67 = 129,453.24 : x
  2. Step 2: Convert to fraction form
    231,445.47/319,379.67 = 129,453.24/x
  3. Step 3: Cross multiply
    231,445.47x = 319,379.67 × 129,453.24
  4. Step 4: Simplify right side
    231,445.47x = 41,344,733,071.63
  5. Step 5: Solve for x
    x = 41,344,733,071.63/231,445.47
  6. Step 6: Final answer
    x = 178,637.04

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