Finding the Fourth Proportional to 198,696.91, 274,190.65 and 113,819.44
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Solution
The fourth proportional to 198,696.91, 274,190.65 and 113,819.44 is: 157,064.48
Step by Step Solution
- Step 1: Write the proportion equation
198,696.91 : 274,190.65 = 113,819.44 : x - Step 2: Convert to fraction form
198,696.91/274,190.65 = 113,819.44/x - Step 3: Cross multiply
198,696.91x = 274,190.65 × 113,819.44 - Step 4: Simplify right side
198,696.91x = 31,208,226,236.24 - Step 5: Solve for x
x = 31,208,226,236.24/198,696.91 - Step 6: Final answer
x = 157,064.48
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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.