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Finding the Fourth Proportional to 247,878.92, 342,076.02 and 134,703.56

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Solution

The fourth proportional to 247,878.92, 342,076.02 and 134,703.56 is: 185,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,878.92 : 342,076.02 = 134,703.56 : x
  2. Step 2: Convert to fraction form
    247,878.92/342,076.02 = 134,703.56/x
  3. Step 3: Cross multiply
    247,878.92x = 342,076.02 × 134,703.56
  4. Step 4: Simplify right side
    247,878.92x = 46,078,857,684.63
  5. Step 5: Solve for x
    x = 46,078,857,684.63/247,878.92
  6. Step 6: Final answer
    x = 185,892.60

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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.