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Finding the Fourth Proportional to 247,963.26, 342,069.03 and 147,289.98

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Solution

The fourth proportional to 247,963.26, 342,069.03 and 147,289.98 is: 203,188.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,963.26 : 342,069.03 = 147,289.98 : x
  2. Step 2: Convert to fraction form
    247,963.26/342,069.03 = 147,289.98/x
  3. Step 3: Cross multiply
    247,963.26x = 342,069.03 × 147,289.98
  4. Step 4: Simplify right side
    247,963.26x = 50,383,340,587.32
  5. Step 5: Solve for x
    x = 50,383,340,587.32/247,963.26
  6. Step 6: Final answer
    x = 203,188.73

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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.