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Finding the Fourth Proportional to 247,847, 342,029.77 and 134,669.75

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Solution

The fourth proportional to 247,847, 342,029.77 and 134,669.75 is: 185,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,847 : 342,029.77 = 134,669.75 : x
  2. Step 2: Convert to fraction form
    247,847/342,029.77 = 134,669.75/x
  3. Step 3: Cross multiply
    247,847x = 342,029.77 × 134,669.75
  4. Step 4: Simplify right side
    247,847x = 46,061,063,618.46
  5. Step 5: Solve for x
    x = 46,061,063,618.46/247,847
  6. Step 6: Final answer
    x = 185,844.75

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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.