Home / 321,247.50-443,331.27-177,994.14

Finding the Fourth Proportional to 321,247.50, 443,331.27 and 177,994.14

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Solution

The fourth proportional to 321,247.50, 443,331.27 and 177,994.14 is: 245,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,247.50 : 443,331.27 = 177,994.14 : x
  2. Step 2: Convert to fraction form
    321,247.50/443,331.27 = 177,994.14/x
  3. Step 3: Cross multiply
    321,247.50x = 443,331.27 × 177,994.14
  4. Step 4: Simplify right side
    321,247.50x = 78,910,368,138.76
  5. Step 5: Solve for x
    x = 78,910,368,138.76/321,247.50
  6. Step 6: Final answer
    x = 245,637.30

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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.