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Finding the Fourth Proportional to 327,620.63, 452,255.98 and 220,252.94

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Solution

The fourth proportional to 327,620.63, 452,255.98 and 220,252.94 is: 304,042.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,620.63 : 452,255.98 = 220,252.94 : x
  2. Step 2: Convert to fraction form
    327,620.63/452,255.98 = 220,252.94/x
  3. Step 3: Cross multiply
    327,620.63x = 452,255.98 × 220,252.94
  4. Step 4: Simplify right side
    327,620.63x = 99,610,708,704.25
  5. Step 5: Solve for x
    x = 99,610,708,704.25/327,620.63
  6. Step 6: Final answer
    x = 304,042.85

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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.