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Finding the Fourth Proportional to 241,691.72, 333,544.05 and 165,370.90

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Solution

The fourth proportional to 241,691.72, 333,544.05 and 165,370.90 is: 228,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,691.72 : 333,544.05 = 165,370.90 : x
  2. Step 2: Convert to fraction form
    241,691.72/333,544.05 = 165,370.90/x
  3. Step 3: Cross multiply
    241,691.72x = 333,544.05 × 165,370.90
  4. Step 4: Simplify right side
    241,691.72x = 55,158,479,524.43
  5. Step 5: Solve for x
    x = 55,158,479,524.43/241,691.72
  6. Step 6: Final answer
    x = 228,218.32

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Why These Related Problems?

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