Home / 204,869.20-307,303.80-200,932.60

Finding the Fourth Proportional to 204,869.20, 307,303.80 and 200,932.60

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Solution

The fourth proportional to 204,869.20, 307,303.80 and 200,932.60 is: 301,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,869.20 : 307,303.80 = 200,932.60 : x
  2. Step 2: Convert to fraction form
    204,869.20/307,303.80 = 200,932.60/x
  3. Step 3: Cross multiply
    204,869.20x = 307,303.80 × 200,932.60
  4. Step 4: Simplify right side
    204,869.20x = 61,747,351,523.88
  5. Step 5: Solve for x
    x = 61,747,351,523.88/204,869.20
  6. Step 6: Final answer
    x = 301,398.90

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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.