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Finding the Fourth Proportional to 236,469.60, 354,704.40 and 222,472.80

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Solution

The fourth proportional to 236,469.60, 354,704.40 and 222,472.80 is: 333,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,469.60 : 354,704.40 = 222,472.80 : x
  2. Step 2: Convert to fraction form
    236,469.60/354,704.40 = 222,472.80/x
  3. Step 3: Cross multiply
    236,469.60x = 354,704.40 × 222,472.80
  4. Step 4: Simplify right side
    236,469.60x = 78,912,081,040.32
  5. Step 5: Solve for x
    x = 78,912,081,040.32/236,469.60
  6. Step 6: Final answer
    x = 333,709.20

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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.