Finding the Fourth Proportional to 207,276.96, 311,036.04 and 80,910.48
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Solution
The fourth proportional to 207,276.96, 311,036.04 and 80,910.48 is: 121,412.80
Step by Step Solution
- Step 1: Write the proportion equation
207,276.96 : 311,036.04 = 80,910.48 : x - Step 2: Convert to fraction form
207,276.96/311,036.04 = 80,910.48/x - Step 3: Cross multiply
207,276.96x = 311,036.04 × 80,910.48 - Step 4: Simplify right side
207,276.96x = 25,166,075,293.70 - Step 5: Solve for x
x = 25,166,075,293.70/207,276.96 - Step 6: Final answer
x = 121,412.80
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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.