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Finding the Fourth Proportional to 394,516.86, 591,969.69 and 244,718.70

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Solution

The fourth proportional to 394,516.86, 591,969.69 and 244,718.70 is: 367,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,516.86 : 591,969.69 = 244,718.70 : x
  2. Step 2: Convert to fraction form
    394,516.86/591,969.69 = 244,718.70/x
  3. Step 3: Cross multiply
    394,516.86x = 591,969.69 × 244,718.70
  4. Step 4: Simplify right side
    394,516.86x = 144,866,052,976.20
  5. Step 5: Solve for x
    x = 144,866,052,976.20/394,516.86
  6. Step 6: Final answer
    x = 367,198.64

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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.