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Finding the Fourth Proportional to 496,144.44, 744,462.68 and 196,618.39

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Solution

The fourth proportional to 496,144.44, 744,462.68 and 196,618.39 is: 295,025.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,144.44 : 744,462.68 = 196,618.39 : x
  2. Step 2: Convert to fraction form
    496,144.44/744,462.68 = 196,618.39/x
  3. Step 3: Cross multiply
    496,144.44x = 744,462.68 × 196,618.39
  4. Step 4: Simplify right side
    496,144.44x = 146,375,050,712.44
  5. Step 5: Solve for x
    x = 146,375,050,712.44/496,144.44
  6. Step 6: Final answer
    x = 295,025.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.