Home / 330,819.80-496,229.70-204,848.60

Finding the Fourth Proportional to 330,819.80, 496,229.70 and 204,848.60

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Solution

The fourth proportional to 330,819.80, 496,229.70 and 204,848.60 is: 307,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,819.80 : 496,229.70 = 204,848.60 : x
  2. Step 2: Convert to fraction form
    330,819.80/496,229.70 = 204,848.60/x
  3. Step 3: Cross multiply
    330,819.80x = 496,229.70 × 204,848.60
  4. Step 4: Simplify right side
    330,819.80x = 101,651,959,323.42
  5. Step 5: Solve for x
    x = 101,651,959,323.42/330,819.80
  6. Step 6: Final answer
    x = 307,272.90

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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.