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Finding the Fourth Proportional to 325,927.80, 449,780.85 and 182,689.02

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Solution

The fourth proportional to 325,927.80, 449,780.85 and 182,689.02 is: 252,111.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,927.80 : 449,780.85 = 182,689.02 : x
  2. Step 2: Convert to fraction form
    325,927.80/449,780.85 = 182,689.02/x
  3. Step 3: Cross multiply
    325,927.80x = 449,780.85 × 182,689.02
  4. Step 4: Simplify right side
    325,927.80x = 82,170,022,701.27
  5. Step 5: Solve for x
    x = 82,170,022,701.27/325,927.80
  6. Step 6: Final answer
    x = 252,111.12

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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.