Finding the Fourth Proportional to 198,535.08, 274,042.26 and 127,107.48
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Solution
The fourth proportional to 198,535.08, 274,042.26 and 127,107.48 is: 175,449.20
Step by Step Solution
- Step 1: Write the proportion equation
198,535.08 : 274,042.26 = 127,107.48 : x - Step 2: Convert to fraction form
198,535.08/274,042.26 = 127,107.48/x - Step 3: Cross multiply
198,535.08x = 274,042.26 × 127,107.48 - Step 4: Simplify right side
198,535.08x = 34,832,821,082.10 - Step 5: Solve for x
x = 34,832,821,082.10/198,535.08 - Step 6: Final answer
x = 175,449.20
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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.