Home / 311,327.20-467,136.60-161,736.40

Finding the Fourth Proportional to 311,327.20, 467,136.60 and 161,736.40

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Solution

The fourth proportional to 311,327.20, 467,136.60 and 161,736.40 is: 242,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,327.20 : 467,136.60 = 161,736.40 : x
  2. Step 2: Convert to fraction form
    311,327.20/467,136.60 = 161,736.40/x
  3. Step 3: Cross multiply
    311,327.20x = 467,136.60 × 161,736.40
  4. Step 4: Simplify right side
    311,327.20x = 75,552,991,992.24
  5. Step 5: Solve for x
    x = 75,552,991,992.24/311,327.20
  6. Step 6: Final answer
    x = 242,680.34

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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.