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Finding the Fourth Proportional to 276,591.60, 414,984.60 and 99,104.40

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Solution

The fourth proportional to 276,591.60, 414,984.60 and 99,104.40 is: 148,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,591.60 : 414,984.60 = 99,104.40 : x
  2. Step 2: Convert to fraction form
    276,591.60/414,984.60 = 99,104.40/x
  3. Step 3: Cross multiply
    276,591.60x = 414,984.60 × 99,104.40
  4. Step 4: Simplify right side
    276,591.60x = 41,126,799,792.24
  5. Step 5: Solve for x
    x = 41,126,799,792.24/276,591.60
  6. Step 6: Final answer
    x = 148,691.43

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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.