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Finding the Fourth Proportional to 220,081.03, 330,168.93 and 68,275.03

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Solution

The fourth proportional to 220,081.03, 330,168.93 and 68,275.03 is: 102,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,081.03 : 330,168.93 = 68,275.03 : x
  2. Step 2: Convert to fraction form
    220,081.03/330,168.93 = 68,275.03/x
  3. Step 3: Cross multiply
    220,081.03x = 330,168.93 × 68,275.03
  4. Step 4: Simplify right side
    220,081.03x = 22,542,293,600.82
  5. Step 5: Solve for x
    x = 22,542,293,600.82/220,081.03
  6. Step 6: Final answer
    x = 102,427.25

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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.