Home / 330,246.20-455,879.26-222,961.54

Finding the Fourth Proportional to 330,246.20, 455,879.26 and 222,961.54

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Solution

The fourth proportional to 330,246.20, 455,879.26 and 222,961.54 is: 307,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,246.20 : 455,879.26 = 222,961.54 : x
  2. Step 2: Convert to fraction form
    330,246.20/455,879.26 = 222,961.54/x
  3. Step 3: Cross multiply
    330,246.20x = 455,879.26 × 222,961.54
  4. Step 4: Simplify right side
    330,246.20x = 101,643,541,863.66
  5. Step 5: Solve for x
    x = 101,643,541,863.66/330,246.20
  6. Step 6: Final answer
    x = 307,781.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.