Finding the Fourth Proportional to 272,629.80, 408,944.70 and 154,531.80
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Solution
The fourth proportional to 272,629.80, 408,944.70 and 154,531.80 is: 231,797.70
Step by Step Solution
- Step 1: Write the proportion equation
272,629.80 : 408,944.70 = 154,531.80 : x - Step 2: Convert to fraction form
272,629.80/408,944.70 = 154,531.80/x - Step 3: Cross multiply
272,629.80x = 408,944.70 × 154,531.80 - Step 4: Simplify right side
272,629.80x = 63,194,960,591.46 - Step 5: Solve for x
x = 63,194,960,591.46/272,629.80 - Step 6: Final answer
x = 231,797.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.