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Finding the Fourth Proportional to 222,541.50, 333,864.75 and 72,781.20

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Solution

The fourth proportional to 222,541.50, 333,864.75 and 72,781.20 is: 109,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,541.50 : 333,864.75 = 72,781.20 : x
  2. Step 2: Convert to fraction form
    222,541.50/333,864.75 = 72,781.20/x
  3. Step 3: Cross multiply
    222,541.50x = 333,864.75 × 72,781.20
  4. Step 4: Simplify right side
    222,541.50x = 24,299,077,142.70
  5. Step 5: Solve for x
    x = 24,299,077,142.70/222,541.50
  6. Step 6: Final answer
    x = 109,188.97

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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.