Finding the Fourth Proportional to 202,449.39, 303,858.36 and 107,759.09
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Solution
The fourth proportional to 202,449.39, 303,858.36 and 107,759.09 is: 161,736.71
Step by Step Solution
- Step 1: Write the proportion equation
202,449.39 : 303,858.36 = 107,759.09 : x - Step 2: Convert to fraction form
202,449.39/303,858.36 = 107,759.09/x - Step 3: Cross multiply
202,449.39x = 303,858.36 × 107,759.09 - Step 4: Simplify right side
202,449.39x = 32,743,498,843.20 - Step 5: Solve for x
x = 32,743,498,843.20/202,449.39 - Step 6: Final answer
x = 161,736.71
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1.5x scale
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.