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Finding the Fourth Proportional to 223,596.20, 335,279.10 and 83,282.60

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Solution

The fourth proportional to 223,596.20, 335,279.10 and 83,282.60 is: 124,880.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,596.20 : 335,279.10 = 83,282.60 : x
  2. Step 2: Convert to fraction form
    223,596.20/335,279.10 = 83,282.60/x
  3. Step 3: Cross multiply
    223,596.20x = 335,279.10 × 83,282.60
  4. Step 4: Simplify right side
    223,596.20x = 27,922,915,173.66
  5. Step 5: Solve for x
    x = 27,922,915,173.66/223,596.20
  6. Step 6: Final answer
    x = 124,880.99

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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.