Finding the Fourth Proportional to 198,095.12, 273,371.36 and 107,450.75
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Solution
The fourth proportional to 198,095.12, 273,371.36 and 107,450.75 is: 148,282.09
Step by Step Solution
- Step 1: Write the proportion equation
198,095.12 : 273,371.36 = 107,450.75 : x - Step 2: Convert to fraction form
198,095.12/273,371.36 = 107,450.75/x - Step 3: Cross multiply
198,095.12x = 273,371.36 × 107,450.75 - Step 4: Simplify right side
198,095.12x = 29,373,957,806.69 - Step 5: Solve for x
x = 29,373,957,806.69/198,095.12 - Step 6: Final answer
x = 148,282.09
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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.