Finding the Fourth Proportional to 198,571.53, 274,026.63 and 147,811.26
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Solution
The fourth proportional to 198,571.53, 274,026.63 and 147,811.26 is: 203,977.99
Step by Step Solution
- Step 1: Write the proportion equation
198,571.53 : 274,026.63 = 147,811.26 : x - Step 2: Convert to fraction form
198,571.53/274,026.63 = 147,811.26/x - Step 3: Cross multiply
198,571.53x = 274,026.63 × 147,811.26 - Step 4: Simplify right side
198,571.53x = 40,504,221,453.85 - Step 5: Solve for x
x = 40,504,221,453.85/198,571.53 - Step 6: Final answer
x = 203,977.99
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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.