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Finding the Fourth Proportional to 243,014.44, 335,358.88 and 135,584.56

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Solution

The fourth proportional to 243,014.44, 335,358.88 and 135,584.56 is: 187,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,014.44 : 335,358.88 = 135,584.56 : x
  2. Step 2: Convert to fraction form
    243,014.44/335,358.88 = 135,584.56/x
  3. Step 3: Cross multiply
    243,014.44x = 335,358.88 × 135,584.56
  4. Step 4: Simplify right side
    243,014.44x = 45,469,486,186.89
  5. Step 5: Solve for x
    x = 45,469,486,186.89/243,014.44
  6. Step 6: Final answer
    x = 187,106.11

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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.