Home / 329,314.28-454,264.20-198,401

Finding the Fourth Proportional to 329,314.28, 454,264.20 and 198,401

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Solution

The fourth proportional to 329,314.28, 454,264.20 and 198,401 is: 273,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,314.28 : 454,264.20 = 198,401 : x
  2. Step 2: Convert to fraction form
    329,314.28/454,264.20 = 198,401/x
  3. Step 3: Cross multiply
    329,314.28x = 454,264.20 × 198,401
  4. Step 4: Simplify right side
    329,314.28x = 90,126,471,544.20
  5. Step 5: Solve for x
    x = 90,126,471,544.20/329,314.28
  6. Step 6: Final answer
    x = 273,679.21

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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.