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Finding the Fourth Proportional to 247,180.60, 370,770.90 and 80,968.60

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Solution

The fourth proportional to 247,180.60, 370,770.90 and 80,968.60 is: 121,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,180.60 : 370,770.90 = 80,968.60 : x
  2. Step 2: Convert to fraction form
    247,180.60/370,770.90 = 80,968.60/x
  3. Step 3: Cross multiply
    247,180.60x = 370,770.90 × 80,968.60
  4. Step 4: Simplify right side
    247,180.60x = 30,020,800,693.74
  5. Step 5: Solve for x
    x = 30,020,800,693.74/247,180.60
  6. Step 6: Final answer
    x = 121,452.90

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1.5x scale

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.