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Finding the Fourth Proportional to 322,486.72, 445,024 and 179,245.44

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Solution

The fourth proportional to 322,486.72, 445,024 and 179,245.44 is: 247,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,486.72 : 445,024 = 179,245.44 : x
  2. Step 2: Convert to fraction form
    322,486.72/445,024 = 179,245.44/x
  3. Step 3: Cross multiply
    322,486.72x = 445,024 × 179,245.44
  4. Step 4: Simplify right side
    322,486.72x = 79,768,522,690.56
  5. Step 5: Solve for x
    x = 79,768,522,690.56/322,486.72
  6. Step 6: Final answer
    x = 247,354.44

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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.