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Finding the Fourth Proportional to 222,699.27, 334,096.14 and 72,928.49

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Solution

The fourth proportional to 222,699.27, 334,096.14 and 72,928.49 is: 109,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,699.27 : 334,096.14 = 72,928.49 : x
  2. Step 2: Convert to fraction form
    222,699.27/334,096.14 = 72,928.49/x
  3. Step 3: Cross multiply
    222,699.27x = 334,096.14 × 72,928.49
  4. Step 4: Simplify right side
    222,699.27x = 24,365,125,608.03
  5. Step 5: Solve for x
    x = 24,365,125,608.03/222,699.27
  6. Step 6: Final answer
    x = 109,408.20

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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.