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Finding the Fourth Proportional to 220,102.39, 330,200.91 and 68,296.31

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Solution

The fourth proportional to 220,102.39, 330,200.91 and 68,296.31 is: 102,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,102.39 : 330,200.91 = 68,296.31 : x
  2. Step 2: Convert to fraction form
    220,102.39/330,200.91 = 68,296.31/x
  3. Step 3: Cross multiply
    220,102.39x = 330,200.91 × 68,296.31
  4. Step 4: Simplify right side
    220,102.39x = 22,551,503,711.64
  5. Step 5: Solve for x
    x = 22,551,503,711.64/220,102.39
  6. Step 6: Final answer
    x = 102,459.15

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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.