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Finding the Fourth Proportional to 329,351.97, 454,480.40 and 200,272.74

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Solution

The fourth proportional to 329,351.97, 454,480.40 and 200,272.74 is: 276,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,351.97 : 454,480.40 = 200,272.74 : x
  2. Step 2: Convert to fraction form
    329,351.97/454,480.40 = 200,272.74/x
  3. Step 3: Cross multiply
    329,351.97x = 454,480.40 × 200,272.74
  4. Step 4: Simplify right side
    329,351.97x = 91,020,033,780.68
  5. Step 5: Solve for x
    x = 91,020,033,780.68/329,351.97
  6. Step 6: Final answer
    x = 276,360.98

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1.5x scale

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.