Home / 330,922.20-497,121.24-204,655.36

Finding the Fourth Proportional to 330,922.20, 497,121.24 and 204,655.36

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Solution

The fourth proportional to 330,922.20, 497,121.24 and 204,655.36 is: 307,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,922.20 : 497,121.24 = 204,655.36 : x
  2. Step 2: Convert to fraction form
    330,922.20/497,121.24 = 204,655.36/x
  3. Step 3: Cross multiply
    330,922.20x = 497,121.24 × 204,655.36
  4. Step 4: Simplify right side
    330,922.20x = 101,738,526,335.85
  5. Step 5: Solve for x
    x = 101,738,526,335.85/330,922.20
  6. Step 6: Final answer
    x = 307,439.41

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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.