Home / 243,277.43-335,723.33-135,847.13

Finding the Fourth Proportional to 243,277.43, 335,723.33 and 135,847.13

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Solution

The fourth proportional to 243,277.43, 335,723.33 and 135,847.13 is: 187,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,277.43 : 335,723.33 = 135,847.13 : x
  2. Step 2: Convert to fraction form
    243,277.43/335,723.33 = 135,847.13/x
  3. Step 3: Cross multiply
    243,277.43x = 335,723.33 × 135,847.13
  4. Step 4: Simplify right side
    243,277.43x = 45,607,049,515.54
  5. Step 5: Solve for x
    x = 45,607,049,515.54/243,277.43
  6. Step 6: Final answer
    x = 187,469.30

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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.