Finding the Fourth Proportional to 204,879.43, 282,734.65 and 114,239.21
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Solution
The fourth proportional to 204,879.43, 282,734.65 and 114,239.21 is: 157,650.69
Step by Step Solution
- Step 1: Write the proportion equation
204,879.43 : 282,734.65 = 114,239.21 : x - Step 2: Convert to fraction form
204,879.43/282,734.65 = 114,239.21/x - Step 3: Cross multiply
204,879.43x = 282,734.65 × 114,239.21 - Step 4: Simplify right side
204,879.43x = 32,299,383,375.13 - Step 5: Solve for x
x = 32,299,383,375.13/204,879.43 - Step 6: Final answer
x = 157,650.69
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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.