Finding the Fourth Proportional to 220,194.30, 303,857.98 and 124,701.69
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Solution
The fourth proportional to 220,194.30, 303,857.98 and 124,701.69 is: 172,082.58
Step by Step Solution
- Step 1: Write the proportion equation
220,194.30 : 303,857.98 = 124,701.69 : x - Step 2: Convert to fraction form
220,194.30/303,857.98 = 124,701.69/x - Step 3: Cross multiply
220,194.30x = 303,857.98 × 124,701.69 - Step 4: Simplify right side
220,194.30x = 37,891,603,625.99 - Step 5: Solve for x
x = 37,891,603,625.99/220,194.30 - Step 6: Final answer
x = 172,082.58
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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.