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Finding the Fourth Proportional to 329,306.87, 454,440.62 and 178,403.51

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Solution

The fourth proportional to 329,306.87, 454,440.62 and 178,403.51 is: 246,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,306.87 : 454,440.62 = 178,403.51 : x
  2. Step 2: Convert to fraction form
    329,306.87/454,440.62 = 178,403.51/x
  3. Step 3: Cross multiply
    329,306.87x = 454,440.62 × 178,403.51
  4. Step 4: Simplify right side
    329,306.87x = 81,073,801,694.58
  5. Step 5: Solve for x
    x = 81,073,801,694.58/329,306.87
  6. Step 6: Final answer
    x = 246,195.29

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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.