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Finding the Fourth Proportional to 223,854.73, 335,843.55 and 66,083.13

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Solution

The fourth proportional to 223,854.73, 335,843.55 and 66,083.13 is: 99,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,854.73 : 335,843.55 = 66,083.13 : x
  2. Step 2: Convert to fraction form
    223,854.73/335,843.55 = 66,083.13/x
  3. Step 3: Cross multiply
    223,854.73x = 335,843.55 × 66,083.13
  4. Step 4: Simplify right side
    223,854.73x = 22,193,592,974.31
  5. Step 5: Solve for x
    x = 22,193,592,974.31/223,854.73
  6. Step 6: Final answer
    x = 99,142.84

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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.