Home / 321,199.20-443,258.46-177,961.50

Finding the Fourth Proportional to 321,199.20, 443,258.46 and 177,961.50

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Solution

The fourth proportional to 321,199.20, 443,258.46 and 177,961.50 is: 245,588.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,199.20 : 443,258.46 = 177,961.50 : x
  2. Step 2: Convert to fraction form
    321,199.20/443,258.46 = 177,961.50/x
  3. Step 3: Cross multiply
    321,199.20x = 443,258.46 × 177,961.50
  4. Step 4: Simplify right side
    321,199.20x = 78,882,940,429.29
  5. Step 5: Solve for x
    x = 78,882,940,429.29/321,199.20
  6. Step 6: Final answer
    x = 245,588.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.