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Finding the Fourth Proportional to 311,635.60, 467,568.60 and 101,280.40

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Solution

The fourth proportional to 311,635.60, 467,568.60 and 101,280.40 is: 151,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,635.60 : 467,568.60 = 101,280.40 : x
  2. Step 2: Convert to fraction form
    311,635.60/467,568.60 = 101,280.40/x
  3. Step 3: Cross multiply
    311,635.60x = 467,568.60 × 101,280.40
  4. Step 4: Simplify right side
    311,635.60x = 47,355,534,835.44
  5. Step 5: Solve for x
    x = 47,355,534,835.44/311,635.60
  6. Step 6: Final answer
    x = 151,958.04

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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.