Finding the Fourth Proportional to 198,212.13, 273,534.74 and 107,568.88
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Solution
The fourth proportional to 198,212.13, 273,534.74 and 107,568.88 is: 148,446.14
Step by Step Solution
- Step 1: Write the proportion equation
198,212.13 : 273,534.74 = 107,568.88 : x - Step 2: Convert to fraction form
198,212.13/273,534.74 = 107,568.88/x - Step 3: Cross multiply
198,212.13x = 273,534.74 × 107,568.88 - Step 4: Simplify right side
198,212.13x = 29,423,825,207.98 - Step 5: Solve for x
x = 29,423,825,207.98/198,212.13 - Step 6: Final answer
x = 148,446.14
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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.