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Finding the Fourth Proportional to 247,440.60, 371,124.45 and 69,965.55

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Solution

The fourth proportional to 247,440.60, 371,124.45 and 69,965.55 is: 104,938.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,440.60 : 371,124.45 = 69,965.55 : x
  2. Step 2: Convert to fraction form
    247,440.60/371,124.45 = 69,965.55/x
  3. Step 3: Cross multiply
    247,440.60x = 371,124.45 × 69,965.55
  4. Step 4: Simplify right side
    247,440.60x = 25,965,926,262.70
  5. Step 5: Solve for x
    x = 25,965,926,262.70/247,440.60
  6. Step 6: Final answer
    x = 104,938.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.