Home / 328,822.20-493,233.30-299,791.80

Finding the Fourth Proportional to 328,822.20, 493,233.30 and 299,791.80

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Solution

The fourth proportional to 328,822.20, 493,233.30 and 299,791.80 is: 449,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,822.20 : 493,233.30 = 299,791.80 : x
  2. Step 2: Convert to fraction form
    328,822.20/493,233.30 = 299,791.80/x
  3. Step 3: Cross multiply
    328,822.20x = 493,233.30 × 299,791.80
  4. Step 4: Simplify right side
    328,822.20x = 147,867,298,826.94
  5. Step 5: Solve for x
    x = 147,867,298,826.94/328,822.20
  6. Step 6: Final answer
    x = 449,687.70

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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.