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Finding the Fourth Proportional to 247,608.22, 342,019.86 and 204,760.78

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Solution

The fourth proportional to 247,608.22, 342,019.86 and 204,760.78 is: 282,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,608.22 : 342,019.86 = 204,760.78 : x
  2. Step 2: Convert to fraction form
    247,608.22/342,019.86 = 204,760.78/x
  3. Step 3: Cross multiply
    247,608.22x = 342,019.86 × 204,760.78
  4. Step 4: Simplify right side
    247,608.22x = 70,032,253,309.09
  5. Step 5: Solve for x
    x = 70,032,253,309.09/247,608.22
  6. Step 6: Final answer
    x = 282,834.93

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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.