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Finding the Fourth Proportional to 322,793.86, 445,437.84 and 177,596.89

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Solution

The fourth proportional to 322,793.86, 445,437.84 and 177,596.89 is: 245,073.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,793.86 : 445,437.84 = 177,596.89 : x
  2. Step 2: Convert to fraction form
    322,793.86/445,437.84 = 177,596.89/x
  3. Step 3: Cross multiply
    322,793.86x = 445,437.84 × 177,596.89
  4. Step 4: Simplify right side
    322,793.86x = 79,108,375,072.32
  5. Step 5: Solve for x
    x = 79,108,375,072.32/322,793.86
  6. Step 6: Final answer
    x = 245,073.98

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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.