Finding the Fourth Proportional to 198,066.26, 273,331.88 and 113,183.12
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Solution
The fourth proportional to 198,066.26, 273,331.88 and 113,183.12 is: 156,192.96
Step by Step Solution
- Step 1: Write the proportion equation
198,066.26 : 273,331.88 = 113,183.12 : x - Step 2: Convert to fraction form
198,066.26/273,331.88 = 113,183.12/x - Step 3: Cross multiply
198,066.26x = 273,331.88 × 113,183.12 - Step 4: Simplify right side
198,066.26x = 30,936,554,973.87 - Step 5: Solve for x
x = 30,936,554,973.87/198,066.26 - Step 6: Final answer
x = 156,192.96
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1.5x scale
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.