Finding the Fourth Proportional to 198,205.16, 273,523.83 and 107,561.09
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Solution
The fourth proportional to 198,205.16, 273,523.83 and 107,561.09 is: 148,434.70
Step by Step Solution
- Step 1: Write the proportion equation
198,205.16 : 273,523.83 = 107,561.09 : x - Step 2: Convert to fraction form
198,205.16/273,523.83 = 107,561.09/x - Step 3: Cross multiply
198,205.16x = 273,523.83 × 107,561.09 - Step 4: Simplify right side
198,205.16x = 29,420,521,979.58 - Step 5: Solve for x
x = 29,420,521,979.58/198,205.16 - Step 6: Final answer
x = 148,434.70
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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.