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Finding the Fourth Proportional to 310,414.22, 465,522.91 and 132,873.56

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Solution

The fourth proportional to 310,414.22, 465,522.91 and 132,873.56 is: 199,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,414.22 : 465,522.91 = 132,873.56 : x
  2. Step 2: Convert to fraction form
    310,414.22/465,522.91 = 132,873.56/x
  3. Step 3: Cross multiply
    310,414.22x = 465,522.91 × 132,873.56
  4. Step 4: Simplify right side
    310,414.22x = 61,855,683,321.28
  5. Step 5: Solve for x
    x = 61,855,683,321.28/310,414.22
  6. Step 6: Final answer
    x = 199,268.20

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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.