Finding the Fourth Proportional to 198,733.88, 274,244.46 and 113,858.84
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Solution
The fourth proportional to 198,733.88, 274,244.46 and 113,858.84 is: 157,120.45
Step by Step Solution
- Step 1: Write the proportion equation
198,733.88 : 274,244.46 = 113,858.84 : x - Step 2: Convert to fraction form
198,733.88/274,244.46 = 113,858.84/x - Step 3: Cross multiply
198,733.88x = 274,244.46 × 113,858.84 - Step 4: Simplify right side
198,733.88x = 31,225,156,092.03 - Step 5: Solve for x
x = 31,225,156,092.03/198,733.88 - Step 6: Final answer
x = 157,120.45
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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.