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Finding the Fourth Proportional to 222,274.97, 333,426.81 and 78,163.12

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Solution

The fourth proportional to 222,274.97, 333,426.81 and 78,163.12 is: 117,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,274.97 : 333,426.81 = 78,163.12 : x
  2. Step 2: Convert to fraction form
    222,274.97/333,426.81 = 78,163.12/x
  3. Step 3: Cross multiply
    222,274.97x = 333,426.81 × 78,163.12
  4. Step 4: Simplify right side
    222,274.97x = 26,061,679,761.25
  5. Step 5: Solve for x
    x = 26,061,679,761.25/222,274.97
  6. Step 6: Final answer
    x = 117,249.73

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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.