Finding the Fourth Proportional to 273,910.25, 378,236.62 and 172,112.09
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Solution
The fourth proportional to 273,910.25, 378,236.62 and 172,112.09 is: 237,665.78
Step by Step Solution
- Step 1: Write the proportion equation
273,910.25 : 378,236.62 = 172,112.09 : x - Step 2: Convert to fraction form
273,910.25/378,236.62 = 172,112.09/x - Step 3: Cross multiply
273,910.25x = 378,236.62 × 172,112.09 - Step 4: Simplify right side
273,910.25x = 65,099,093,506.69 - Step 5: Solve for x
x = 65,099,093,506.69/273,910.25 - Step 6: Final answer
x = 237,665.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.