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Finding the Fourth Proportional to 222,538, 333,859.50 and 72,777.70

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Solution

The fourth proportional to 222,538, 333,859.50 and 72,777.70 is: 109,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,538 : 333,859.50 = 72,777.70 : x
  2. Step 2: Convert to fraction form
    222,538/333,859.50 = 72,777.70/x
  3. Step 3: Cross multiply
    222,538x = 333,859.50 × 72,777.70
  4. Step 4: Simplify right side
    222,538x = 24,297,526,533.15
  5. Step 5: Solve for x
    x = 24,297,526,533.15/222,538
  6. Step 6: Final answer
    x = 109,183.72

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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.