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Finding the Fourth Proportional to 247,947.44, 342,169.92 and 147,326

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Solution

The fourth proportional to 247,947.44, 342,169.92 and 147,326 is: 203,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,947.44 : 342,169.92 = 147,326 : x
  2. Step 2: Convert to fraction form
    247,947.44/342,169.92 = 147,326/x
  3. Step 3: Cross multiply
    247,947.44x = 342,169.92 × 147,326
  4. Step 4: Simplify right side
    247,947.44x = 50,410,525,633.92
  5. Step 5: Solve for x
    x = 50,410,525,633.92/247,947.44
  6. Step 6: Final answer
    x = 203,311.34

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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.