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Finding the Fourth Proportional to 223,977.96, 335,850.30 and 66,185.10

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Solution

The fourth proportional to 223,977.96, 335,850.30 and 66,185.10 is: 99,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,977.96 : 335,850.30 = 66,185.10 : x
  2. Step 2: Convert to fraction form
    223,977.96/335,850.30 = 66,185.10/x
  3. Step 3: Cross multiply
    223,977.96x = 335,850.30 × 66,185.10
  4. Step 4: Simplify right side
    223,977.96x = 22,228,285,690.53
  5. Step 5: Solve for x
    x = 22,228,285,690.53/223,977.96
  6. Step 6: Final answer
    x = 99,243.18

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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.