Finding the Fourth Proportional to 198,137.75, 273,455.88 and 110,956.05
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Solution
The fourth proportional to 198,137.75, 273,455.88 and 110,956.05 is: 153,133.80
Step by Step Solution
- Step 1: Write the proportion equation
198,137.75 : 273,455.88 = 110,956.05 : x - Step 2: Convert to fraction form
198,137.75/273,455.88 = 110,956.05/x - Step 3: Cross multiply
198,137.75x = 273,455.88 × 110,956.05 - Step 4: Simplify right side
198,137.75x = 30,341,585,255.10 - Step 5: Solve for x
x = 30,341,585,255.10/198,137.75 - Step 6: Final answer
x = 153,133.80
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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.