Finding the Fourth Proportional to 198,697.99, 274,205.06 and 108,054.82
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Solution
The fourth proportional to 198,697.99, 274,205.06 and 108,054.82 is: 149,116.65
Step by Step Solution
- Step 1: Write the proportion equation
198,697.99 : 274,205.06 = 108,054.82 : x - Step 2: Convert to fraction form
198,697.99/274,205.06 = 108,054.82/x - Step 3: Cross multiply
198,697.99x = 274,205.06 × 108,054.82 - Step 4: Simplify right side
198,697.99x = 29,629,177,986.01 - Step 5: Solve for x
x = 29,629,177,986.01/198,697.99 - Step 6: Final answer
x = 149,116.65
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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.