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Finding the Fourth Proportional to 247,881.93, 342,076.12 and 140,472.42

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Solution

The fourth proportional to 247,881.93, 342,076.12 and 140,472.42 is: 193,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,881.93 : 342,076.12 = 140,472.42 : x
  2. Step 2: Convert to fraction form
    247,881.93/342,076.12 = 140,472.42/x
  3. Step 3: Cross multiply
    247,881.93x = 342,076.12 × 140,472.42
  4. Step 4: Simplify right side
    247,881.93x = 48,052,260,400.61
  5. Step 5: Solve for x
    x = 48,052,260,400.61/247,881.93
  6. Step 6: Final answer
    x = 193,851.40

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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.