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Finding the Fourth Proportional to 243,360.52, 335,833.98 and 135,932.08

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Solution

The fourth proportional to 243,360.52, 335,833.98 and 135,932.08 is: 187,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,360.52 : 335,833.98 = 135,932.08 : x
  2. Step 2: Convert to fraction form
    243,360.52/335,833.98 = 135,932.08/x
  3. Step 3: Cross multiply
    243,360.52x = 335,833.98 × 135,932.08
  4. Step 4: Simplify right side
    243,360.52x = 45,650,611,436.08
  5. Step 5: Solve for x
    x = 45,650,611,436.08/243,360.52
  6. Step 6: Final answer
    x = 187,584.29

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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.