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Finding the Fourth Proportional to 220,371.12, 304,110.72 and 119,769.12

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Solution

The fourth proportional to 220,371.12, 304,110.72 and 119,769.12 is: 165,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,371.12 : 304,110.72 = 119,769.12 : x
  2. Step 2: Convert to fraction form
    220,371.12/304,110.72 = 119,769.12/x
  3. Step 3: Cross multiply
    220,371.12x = 304,110.72 × 119,769.12
  4. Step 4: Simplify right side
    220,371.12x = 36,423,073,316.97
  5. Step 5: Solve for x
    x = 36,423,073,316.97/220,371.12
  6. Step 6: Final answer
    x = 165,280.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.