Finding the Fourth Proportional to 198,733.36, 274,251.84 and 113,850.76
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Solution
The fourth proportional to 198,733.36, 274,251.84 and 113,850.76 is: 157,113.94
Step by Step Solution
- Step 1: Write the proportion equation
198,733.36 : 274,251.84 = 113,850.76 : x - Step 2: Convert to fraction form
198,733.36/274,251.84 = 113,850.76/x - Step 3: Cross multiply
198,733.36x = 274,251.84 × 113,850.76 - Step 4: Simplify right side
198,733.36x = 31,223,780,415.40 - Step 5: Solve for x
x = 31,223,780,415.40/198,733.36 - Step 6: Final answer
x = 157,113.94
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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.