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Finding the Fourth Proportional to 222,538.60, 333,840.30 and 72,742.60

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Solution

The fourth proportional to 222,538.60, 333,840.30 and 72,742.60 is: 109,124.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,538.60 : 333,840.30 = 72,742.60 : x
  2. Step 2: Convert to fraction form
    222,538.60/333,840.30 = 72,742.60/x
  3. Step 3: Cross multiply
    222,538.60x = 333,840.30 × 72,742.60
  4. Step 4: Simplify right side
    222,538.60x = 24,284,411,406.78
  5. Step 5: Solve for x
    x = 24,284,411,406.78/222,538.60
  6. Step 6: Final answer
    x = 109,124.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.