Home / 394,516.80-591,834.24-145,179.84

Finding the Fourth Proportional to 394,516.80, 591,834.24 and 145,179.84

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Solution

The fourth proportional to 394,516.80, 591,834.24 and 145,179.84 is: 217,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,516.80 : 591,834.24 = 145,179.84 : x
  2. Step 2: Convert to fraction form
    394,516.80/591,834.24 = 145,179.84/x
  3. Step 3: Cross multiply
    394,516.80x = 591,834.24 × 145,179.84
  4. Step 4: Simplify right side
    394,516.80x = 85,922,400,269.72
  5. Step 5: Solve for x
    x = 85,922,400,269.72/394,516.80
  6. Step 6: Final answer
    x = 217,791.49

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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.