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Finding the Fourth Proportional to 247,847.86, 342,029.41 and 134,670.61

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Solution

The fourth proportional to 247,847.86, 342,029.41 and 134,670.61 is: 185,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,847.86 : 342,029.41 = 134,670.61 : x
  2. Step 2: Convert to fraction form
    247,847.86/342,029.41 = 134,670.61/x
  3. Step 3: Cross multiply
    247,847.86x = 342,029.41 × 134,670.61
  4. Step 4: Simplify right side
    247,847.86x = 46,061,309,282.64
  5. Step 5: Solve for x
    x = 46,061,309,282.64/247,847.86
  6. Step 6: Final answer
    x = 185,845.10

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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.