Finding the Fourth Proportional to 206,266.63, 284,665.74 and 115,640.09
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Solution
The fourth proportional to 206,266.63, 284,665.74 and 115,640.09 is: 159,593.29
Step by Step Solution
- Step 1: Write the proportion equation
206,266.63 : 284,665.74 = 115,640.09 : x - Step 2: Convert to fraction form
206,266.63/284,665.74 = 115,640.09/x - Step 3: Cross multiply
206,266.63x = 284,665.74 × 115,640.09 - Step 4: Simplify right side
206,266.63x = 32,918,770,370.19 - Step 5: Solve for x
x = 32,918,770,370.19/206,266.63 - Step 6: Final answer
x = 159,593.29
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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.