Finding the Fourth Proportional to 190,611.26, 263,075.09 and 105,755.66
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Solution
The fourth proportional to 190,611.26, 263,075.09 and 105,755.66 is: 145,960.31
Step by Step Solution
- Step 1: Write the proportion equation
190,611.26 : 263,075.09 = 105,755.66 : x - Step 2: Convert to fraction form
190,611.26/263,075.09 = 105,755.66/x - Step 3: Cross multiply
190,611.26x = 263,075.09 × 105,755.66 - Step 4: Simplify right side
190,611.26x = 27,821,678,457.13 - Step 5: Solve for x
x = 27,821,678,457.13/190,611.26 - Step 6: Final answer
x = 145,960.31
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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.