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Finding the Fourth Proportional to 629,932.80, 944,994.32 and 203,326

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Solution

The fourth proportional to 629,932.80, 944,994.32 and 203,326 is: 305,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,932.80 : 944,994.32 = 203,326 : x
  2. Step 2: Convert to fraction form
    629,932.80/944,994.32 = 203,326/x
  3. Step 3: Cross multiply
    629,932.80x = 944,994.32 × 203,326
  4. Step 4: Simplify right side
    629,932.80x = 192,141,915,108.32
  5. Step 5: Solve for x
    x = 192,141,915,108.32/629,932.80
  6. Step 6: Final answer
    x = 305,019.70

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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.