Finding the Fourth Proportional to 263,107.08, 394,626.42 and 105,337.08
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Solution
The fourth proportional to 263,107.08, 394,626.42 and 105,337.08 is: 157,991.93
Step by Step Solution
- Step 1: Write the proportion equation
263,107.08 : 394,626.42 = 105,337.08 : x - Step 2: Convert to fraction form
263,107.08/394,626.42 = 105,337.08/x - Step 3: Cross multiply
263,107.08x = 394,626.42 × 105,337.08 - Step 4: Simplify right side
263,107.08x = 41,568,794,773.65 - Step 5: Solve for x
x = 41,568,794,773.65/263,107.08 - Step 6: Final answer
x = 157,991.93
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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.