Home / 454,941.96-682,517.98-135,086.72

Finding the Fourth Proportional to 454,941.96, 682,517.98 and 135,086.72

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Solution

The fourth proportional to 454,941.96, 682,517.98 and 135,086.72 is: 202,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,941.96 : 682,517.98 = 135,086.72 : x
  2. Step 2: Convert to fraction form
    454,941.96/682,517.98 = 135,086.72/x
  3. Step 3: Cross multiply
    454,941.96x = 682,517.98 × 135,086.72
  4. Step 4: Simplify right side
    454,941.96x = 92,199,115,259.23
  5. Step 5: Solve for x
    x = 92,199,115,259.23/454,941.96
  6. Step 6: Final answer
    x = 202,661.27

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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.