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Finding the Fourth Proportional to 222,221.52, 333,348.48 and 64,450.80

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Solution

The fourth proportional to 222,221.52, 333,348.48 and 64,450.80 is: 96,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,221.52 : 333,348.48 = 64,450.80 : x
  2. Step 2: Convert to fraction form
    222,221.52/333,348.48 = 64,450.80/x
  3. Step 3: Cross multiply
    222,221.52x = 333,348.48 × 64,450.80
  4. Step 4: Simplify right side
    222,221.52x = 21,484,576,214.78
  5. Step 5: Solve for x
    x = 21,484,576,214.78/222,221.52
  6. Step 6: Final answer
    x = 96,680.90

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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.