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Finding the Fourth Proportional to 222,735.60, 334,135.80 and 72,939.60

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Solution

The fourth proportional to 222,735.60, 334,135.80 and 72,939.60 is: 109,420.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,735.60 : 334,135.80 = 72,939.60 : x
  2. Step 2: Convert to fraction form
    222,735.60/334,135.80 = 72,939.60/x
  3. Step 3: Cross multiply
    222,735.60x = 334,135.80 × 72,939.60
  4. Step 4: Simplify right side
    222,735.60x = 24,371,731,597.68
  5. Step 5: Solve for x
    x = 24,371,731,597.68/222,735.60
  6. Step 6: Final answer
    x = 109,420.01

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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.