Home / 329,314.06-454,286.91-220,423.02

Finding the Fourth Proportional to 329,314.06, 454,286.91 and 220,423.02

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Solution

The fourth proportional to 329,314.06, 454,286.91 and 220,423.02 is: 304,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,314.06 : 454,286.91 = 220,423.02 : x
  2. Step 2: Convert to fraction form
    329,314.06/454,286.91 = 220,423.02/x
  3. Step 3: Cross multiply
    329,314.06x = 454,286.91 × 220,423.02
  4. Step 4: Simplify right side
    329,314.06x = 100,135,292,648.67
  5. Step 5: Solve for x
    x = 100,135,292,648.67/329,314.06
  6. Step 6: Final answer
    x = 304,072.33

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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.