Finding the Fourth Proportional to 311,770.62, 430,247.97 and 175,811.04
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Solution
The fourth proportional to 311,770.62, 430,247.97 and 175,811.04 is: 242,621.78
Step by Step Solution
- Step 1: Write the proportion equation
311,770.62 : 430,247.97 = 175,811.04 : x - Step 2: Convert to fraction form
311,770.62/430,247.97 = 175,811.04/x - Step 3: Cross multiply
311,770.62x = 430,247.97 × 175,811.04 - Step 4: Simplify right side
311,770.62x = 75,642,343,063.59 - Step 5: Solve for x
x = 75,642,343,063.59/311,770.62 - Step 6: Final answer
x = 242,621.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.