Finding the Fourth Proportional to 198,696.41, 274,189.97 and 113,818.94
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Solution
The fourth proportional to 198,696.41, 274,189.97 and 113,818.94 is: 157,063.79
Step by Step Solution
- Step 1: Write the proportion equation
198,696.41 : 274,189.97 = 113,818.94 : x - Step 2: Convert to fraction form
198,696.41/274,189.97 = 113,818.94/x - Step 3: Cross multiply
198,696.41x = 274,189.97 × 113,818.94 - Step 4: Simplify right side
198,696.41x = 31,208,011,174.94 - Step 5: Solve for x
x = 31,208,011,174.94/198,696.41 - Step 6: Final answer
x = 157,063.79
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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.