Finding the Fourth Proportional to 207,923.80, 311,367.30 and 166,451.80
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Solution
The fourth proportional to 207,923.80, 311,367.30 and 166,451.80 is: 249,262.70
Step by Step Solution
- Step 1: Write the proportion equation
207,923.80 : 311,367.30 = 166,451.80 : x - Step 2: Convert to fraction form
207,923.80/311,367.30 = 166,451.80/x - Step 3: Cross multiply
207,923.80x = 311,367.30 × 166,451.80 - Step 4: Simplify right side
207,923.80x = 51,827,647,546.14 - Step 5: Solve for x
x = 51,827,647,546.14/207,923.80 - Step 6: Final answer
x = 249,262.70
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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.