Home / 438,996.29-658,494.23-123,453.18

Finding the Fourth Proportional to 438,996.29, 658,494.23 and 123,453.18

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Solution

The fourth proportional to 438,996.29, 658,494.23 and 123,453.18 is: 185,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,996.29 : 658,494.23 = 123,453.18 : x
  2. Step 2: Convert to fraction form
    438,996.29/658,494.23 = 123,453.18/x
  3. Step 3: Cross multiply
    438,996.29x = 658,494.23 × 123,453.18
  4. Step 4: Simplify right side
    438,996.29x = 81,293,206,087.89
  5. Step 5: Solve for x
    x = 81,293,206,087.89/438,996.29
  6. Step 6: Final answer
    x = 185,179.71

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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.