Finding the Fourth Proportional to 207,901.80, 311,321.34 and 114,304.68
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Solution
The fourth proportional to 207,901.80, 311,321.34 and 114,304.68 is: 171,164.88
Step by Step Solution
- Step 1: Write the proportion equation
207,901.80 : 311,321.34 = 114,304.68 : x - Step 2: Convert to fraction form
207,901.80/311,321.34 = 114,304.68/x - Step 3: Cross multiply
207,901.80x = 311,321.34 × 114,304.68 - Step 4: Simplify right side
207,901.80x = 35,585,486,145.87 - Step 5: Solve for x
x = 35,585,486,145.87/207,901.80 - Step 6: Final answer
x = 171,164.88
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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.