Home / 330,246.20-455,879.24-222,961.56

Finding the Fourth Proportional to 330,246.20, 455,879.24 and 222,961.56

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Solution

The fourth proportional to 330,246.20, 455,879.24 and 222,961.56 is: 307,781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,246.20 : 455,879.24 = 222,961.56 : x
  2. Step 2: Convert to fraction form
    330,246.20/455,879.24 = 222,961.56/x
  3. Step 3: Cross multiply
    330,246.20x = 455,879.24 × 222,961.56
  4. Step 4: Simplify right side
    330,246.20x = 101,643,546,522.01
  5. Step 5: Solve for x
    x = 101,643,546,522.01/330,246.20
  6. Step 6: Final answer
    x = 307,781.12

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1.5x scale

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.