Home / 207,634.20-311,451.30-203,697.60

Finding the Fourth Proportional to 207,634.20, 311,451.30 and 203,697.60

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Solution

The fourth proportional to 207,634.20, 311,451.30 and 203,697.60 is: 305,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,634.20 : 311,451.30 = 203,697.60 : x
  2. Step 2: Convert to fraction form
    207,634.20/311,451.30 = 203,697.60/x
  3. Step 3: Cross multiply
    207,634.20x = 311,451.30 × 203,697.60
  4. Step 4: Simplify right side
    207,634.20x = 63,441,882,326.88
  5. Step 5: Solve for x
    x = 63,441,882,326.88/207,634.20
  6. Step 6: Final answer
    x = 305,546.40

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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.