Finding the Fourth Proportional to 198,040.99, 273,296.64 and 107,396.93
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Solution
The fourth proportional to 198,040.99, 273,296.64 and 107,396.93 is: 148,207.80
Step by Step Solution
- Step 1: Write the proportion equation
198,040.99 : 273,296.64 = 107,396.93 : x - Step 2: Convert to fraction form
198,040.99/273,296.64 = 107,396.93/x - Step 3: Cross multiply
198,040.99x = 273,296.64 × 107,396.93 - Step 4: Simplify right side
198,040.99x = 29,351,220,115.32 - Step 5: Solve for x
x = 29,351,220,115.32/198,040.99 - Step 6: Final answer
x = 148,207.80
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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.