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Finding the Fourth Proportional to 247,494.39, 341,284.10 and 146,872.95

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Solution

The fourth proportional to 247,494.39, 341,284.10 and 146,872.95 is: 202,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,494.39 : 341,284.10 = 146,872.95 : x
  2. Step 2: Convert to fraction form
    247,494.39/341,284.10 = 146,872.95/x
  3. Step 3: Cross multiply
    247,494.39x = 341,284.10 × 146,872.95
  4. Step 4: Simplify right side
    247,494.39x = 50,125,401,820.73
  5. Step 5: Solve for x
    x = 50,125,401,820.73/247,494.39
  6. Step 6: Final answer
    x = 202,531.47

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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.