Finding the Fourth Proportional to 207,930.20, 311,895.30 and 192,183.80
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Solution
The fourth proportional to 207,930.20, 311,895.30 and 192,183.80 is: 288,275.70
Step by Step Solution
- Step 1: Write the proportion equation
207,930.20 : 311,895.30 = 192,183.80 : x - Step 2: Convert to fraction form
207,930.20/311,895.30 = 192,183.80/x - Step 3: Cross multiply
207,930.20x = 311,895.30 × 192,183.80 - Step 4: Simplify right side
207,930.20x = 59,941,223,956.14 - Step 5: Solve for x
x = 59,941,223,956.14/207,930.20 - Step 6: Final answer
x = 288,275.70
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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.