Finding the Fourth Proportional to 207,631.80, 311,793.30 and 114,204.60
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Solution
The fourth proportional to 207,631.80, 311,793.30 and 114,204.60 is: 171,496.99
Step by Step Solution
- Step 1: Write the proportion equation
207,631.80 : 311,793.30 = 114,204.60 : x - Step 2: Convert to fraction form
207,631.80/311,793.30 = 114,204.60/x - Step 3: Cross multiply
207,631.80x = 311,793.30 × 114,204.60 - Step 4: Simplify right side
207,631.80x = 35,608,229,109.18 - Step 5: Solve for x
x = 35,608,229,109.18/207,631.80 - Step 6: Final answer
x = 171,496.99
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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.