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Finding the Fourth Proportional to 243,264.75, 335,701.71 and 135,836.34

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Solution

The fourth proportional to 243,264.75, 335,701.71 and 135,836.34 is: 187,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,264.75 : 335,701.71 = 135,836.34 : x
  2. Step 2: Convert to fraction form
    243,264.75/335,701.71 = 135,836.34/x
  3. Step 3: Cross multiply
    243,264.75x = 335,701.71 × 135,836.34
  4. Step 4: Simplify right side
    243,264.75x = 45,600,491,618.14
  5. Step 5: Solve for x
    x = 45,600,491,618.14/243,264.75
  6. Step 6: Final answer
    x = 187,452.11

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Why These Related Problems?

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