Finding the Fourth Proportional to 198,040.87, 273,296.47 and 107,396.81
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Solution
The fourth proportional to 198,040.87, 273,296.47 and 107,396.81 is: 148,207.64
Step by Step Solution
- Step 1: Write the proportion equation
198,040.87 : 273,296.47 = 107,396.81 : x - Step 2: Convert to fraction form
198,040.87/273,296.47 = 107,396.81/x - Step 3: Cross multiply
198,040.87x = 273,296.47 × 107,396.81 - Step 4: Simplify right side
198,040.87x = 29,351,169,062.26 - Step 5: Solve for x
x = 29,351,169,062.26/198,040.87 - Step 6: Final answer
x = 148,207.64
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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.