Home / 320,951.43-481,247.24-219,863.79

Finding the Fourth Proportional to 320,951.43, 481,247.24 and 219,863.79

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Solution

The fourth proportional to 320,951.43, 481,247.24 and 219,863.79 is: 329,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,951.43 : 481,247.24 = 219,863.79 : x
  2. Step 2: Convert to fraction form
    320,951.43/481,247.24 = 219,863.79/x
  3. Step 3: Cross multiply
    320,951.43x = 481,247.24 × 219,863.79
  4. Step 4: Simplify right side
    320,951.43x = 105,808,841,014.12
  5. Step 5: Solve for x
    x = 105,808,841,014.12/320,951.43
  6. Step 6: Final answer
    x = 329,672.44

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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.