Home / 330,238.60-455,572.78-222,843.23

Finding the Fourth Proportional to 330,238.60, 455,572.78 and 222,843.23

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Solution

The fourth proportional to 330,238.60, 455,572.78 and 222,843.23 is: 307,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,238.60 : 455,572.78 = 222,843.23 : x
  2. Step 2: Convert to fraction form
    330,238.60/455,572.78 = 222,843.23/x
  3. Step 3: Cross multiply
    330,238.60x = 455,572.78 × 222,843.23
  4. Step 4: Simplify right side
    330,238.60x = 101,521,309,795.28
  5. Step 5: Solve for x
    x = 101,521,309,795.28/330,238.60
  6. Step 6: Final answer
    x = 307,418.06

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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.