Finding the Fourth Proportional to 311,195.40, 466,793.10 and 306,529.80
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Solution
The fourth proportional to 311,195.40, 466,793.10 and 306,529.80 is: 459,794.70
Step by Step Solution
- Step 1: Write the proportion equation
311,195.40 : 466,793.10 = 306,529.80 : x - Step 2: Convert to fraction form
311,195.40/466,793.10 = 306,529.80/x - Step 3: Cross multiply
311,195.40x = 466,793.10 × 306,529.80 - Step 4: Simplify right side
311,195.40x = 143,085,995,584.38 - Step 5: Solve for x
x = 143,085,995,584.38/311,195.40 - Step 6: Final answer
x = 459,794.70
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1.5x scale
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.