Finding the Fourth Proportional to 220,193.97, 303,857.51 and 124,701.36
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Solution
The fourth proportional to 220,193.97, 303,857.51 and 124,701.36 is: 172,082.12
Step by Step Solution
- Step 1: Write the proportion equation
220,193.97 : 303,857.51 = 124,701.36 : x - Step 2: Convert to fraction form
220,193.97/303,857.51 = 124,701.36/x - Step 3: Cross multiply
220,193.97x = 303,857.51 × 124,701.36 - Step 4: Simplify right side
220,193.97x = 37,891,444,743.21 - Step 5: Solve for x
x = 37,891,444,743.21/220,193.97 - Step 6: Final answer
x = 172,082.12
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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.