Finding the Fourth Proportional to 206,716.26, 285,264.81 and 116,072.94
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Solution
The fourth proportional to 206,716.26, 285,264.81 and 116,072.94 is: 160,178.62
Step by Step Solution
- Step 1: Write the proportion equation
206,716.26 : 285,264.81 = 116,072.94 : x - Step 2: Convert to fraction form
206,716.26/285,264.81 = 116,072.94/x - Step 3: Cross multiply
206,716.26x = 285,264.81 × 116,072.94 - Step 4: Simplify right side
206,716.26x = 33,111,525,175.24 - Step 5: Solve for x
x = 33,111,525,175.24/206,716.26 - Step 6: Final answer
x = 160,178.62
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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.