Finding the Fourth Proportional to 198,537.89, 273,713.99 and 134,764.97
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Solution
The fourth proportional to 198,537.89, 273,713.99 and 134,764.97 is: 185,793.54
Step by Step Solution
- Step 1: Write the proportion equation
198,537.89 : 273,713.99 = 134,764.97 : x - Step 2: Convert to fraction form
198,537.89/273,713.99 = 134,764.97/x - Step 3: Cross multiply
198,537.89x = 273,713.99 × 134,764.97 - Step 4: Simplify right side
198,537.89x = 36,887,055,608.54 - Step 5: Solve for x
x = 36,887,055,608.54/198,537.89 - Step 6: Final answer
x = 185,793.54
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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.