Home / 213,904.20-320,856.30-195,241.80

Finding the Fourth Proportional to 213,904.20, 320,856.30 and 195,241.80

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Solution

The fourth proportional to 213,904.20, 320,856.30 and 195,241.80 is: 292,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,904.20 : 320,856.30 = 195,241.80 : x
  2. Step 2: Convert to fraction form
    213,904.20/320,856.30 = 195,241.80/x
  3. Step 3: Cross multiply
    213,904.20x = 320,856.30 × 195,241.80
  4. Step 4: Simplify right side
    213,904.20x = 62,644,561,553.34
  5. Step 5: Solve for x
    x = 62,644,561,553.34/213,904.20
  6. Step 6: Final answer
    x = 292,862.70

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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.