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Finding the Fourth Proportional to 223,108.88, 334,661.25 and 54,629.96

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Solution

The fourth proportional to 223,108.88, 334,661.25 and 54,629.96 is: 81,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,108.88 : 334,661.25 = 54,629.96 : x
  2. Step 2: Convert to fraction form
    223,108.88/334,661.25 = 54,629.96/x
  3. Step 3: Cross multiply
    223,108.88x = 334,661.25 × 54,629.96
  4. Step 4: Simplify right side
    223,108.88x = 18,282,530,701.05
  5. Step 5: Solve for x
    x = 18,282,530,701.05/223,108.88
  6. Step 6: Final answer
    x = 81,944.43

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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.