Finding the Fourth Proportional to 207,635.40, 311,015.70 and 207,635.40
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Solution
The fourth proportional to 207,635.40, 311,015.70 and 207,635.40 is: 311,015.70
Step by Step Solution
- Step 1: Write the proportion equation
207,635.40 : 311,015.70 = 207,635.40 : x - Step 2: Convert to fraction form
207,635.40/311,015.70 = 207,635.40/x - Step 3: Cross multiply
207,635.40x = 311,015.70 × 207,635.40 - Step 4: Simplify right side
207,635.40x = 64,577,869,275.78 - Step 5: Solve for x
x = 64,577,869,275.78/207,635.40 - Step 6: Final answer
x = 311,015.70
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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.