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Finding the Fourth Proportional to 222,212.24, 333,228.60 and 81,939.60

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Solution

The fourth proportional to 222,212.24, 333,228.60 and 81,939.60 is: 122,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,212.24 : 333,228.60 = 81,939.60 : x
  2. Step 2: Convert to fraction form
    222,212.24/333,228.60 = 81,939.60/x
  3. Step 3: Cross multiply
    222,212.24x = 333,228.60 × 81,939.60
  4. Step 4: Simplify right side
    222,212.24x = 27,304,618,192.56
  5. Step 5: Solve for x
    x = 27,304,618,192.56/222,212.24
  6. Step 6: Final answer
    x = 122,876.30

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1.5x scale

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.