Home / 378,233.20-566,985.30-218,144.80

Finding the Fourth Proportional to 378,233.20, 566,985.30 and 218,144.80

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Solution

The fourth proportional to 378,233.20, 566,985.30 and 218,144.80 is: 327,006.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,233.20 : 566,985.30 = 218,144.80 : x
  2. Step 2: Convert to fraction form
    378,233.20/566,985.30 = 218,144.80/x
  3. Step 3: Cross multiply
    378,233.20x = 566,985.30 × 218,144.80
  4. Step 4: Simplify right side
    378,233.20x = 123,684,894,871.44
  5. Step 5: Solve for x
    x = 123,684,894,871.44/378,233.20
  6. Step 6: Final answer
    x = 327,006.98

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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.