Finding the Fourth Proportional to 198,006.36, 273,231.90 and 113,106.84
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Solution
The fourth proportional to 198,006.36, 273,231.90 and 113,106.84 is: 156,077.80
Step by Step Solution
- Step 1: Write the proportion equation
198,006.36 : 273,231.90 = 113,106.84 : x - Step 2: Convert to fraction form
198,006.36/273,231.90 = 113,106.84/x - Step 3: Cross multiply
198,006.36x = 273,231.90 × 113,106.84 - Step 4: Simplify right side
198,006.36x = 30,904,396,796.20 - Step 5: Solve for x
x = 30,904,396,796.20/198,006.36 - Step 6: Final answer
x = 156,077.80
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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.