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Finding the Fourth Proportional to 422,604.96, 633,926.88 and 173,112

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Solution

The fourth proportional to 422,604.96, 633,926.88 and 173,112 is: 259,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,604.96 : 633,926.88 = 173,112 : x
  2. Step 2: Convert to fraction form
    422,604.96/633,926.88 = 173,112/x
  3. Step 3: Cross multiply
    422,604.96x = 633,926.88 × 173,112
  4. Step 4: Simplify right side
    422,604.96x = 109,740,350,050.56
  5. Step 5: Solve for x
    x = 109,740,350,050.56/422,604.96
  6. Step 6: Final answer
    x = 259,675.96

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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.