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Finding the Fourth Proportional to 294,767.44, 441,781.20 and 126,089.44

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Solution

The fourth proportional to 294,767.44, 441,781.20 and 126,089.44 is: 188,975.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,767.44 : 441,781.20 = 126,089.44 : x
  2. Step 2: Convert to fraction form
    294,767.44/441,781.20 = 126,089.44/x
  3. Step 3: Cross multiply
    294,767.44x = 441,781.20 × 126,089.44
  4. Step 4: Simplify right side
    294,767.44x = 55,703,944,110.53
  5. Step 5: Solve for x
    x = 55,703,944,110.53/294,767.44
  6. Step 6: Final answer
    x = 188,975.91

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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.