Home / 320,910.89-481,467.05-192,974.43

Finding the Fourth Proportional to 320,910.89, 481,467.05 and 192,974.43

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Solution

The fourth proportional to 320,910.89, 481,467.05 and 192,974.43 is: 289,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,910.89 : 481,467.05 = 192,974.43 : x
  2. Step 2: Convert to fraction form
    320,910.89/481,467.05 = 192,974.43/x
  3. Step 3: Cross multiply
    320,910.89x = 481,467.05 × 192,974.43
  4. Step 4: Simplify right side
    320,910.89x = 92,910,828,572.66
  5. Step 5: Solve for x
    x = 92,910,828,572.66/320,910.89
  6. Step 6: Final answer
    x = 289,522.21

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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.