Finding the Fourth Proportional to 363,863.70, 545,795.55 and 311,375.70
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Solution
The fourth proportional to 363,863.70, 545,795.55 and 311,375.70 is: 467,063.55
Step by Step Solution
- Step 1: Write the proportion equation
363,863.70 : 545,795.55 = 311,375.70 : x - Step 2: Convert to fraction form
363,863.70/545,795.55 = 311,375.70/x - Step 3: Cross multiply
363,863.70x = 545,795.55 × 311,375.70 - Step 4: Simplify right side
363,863.70x = 169,947,471,438.14 - Step 5: Solve for x
x = 169,947,471,438.14/363,863.70 - Step 6: Final answer
x = 467,063.55
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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.