Finding the Fourth Proportional to 207,770.40, 311,655.60 and 207,770.40
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Solution
The fourth proportional to 207,770.40, 311,655.60 and 207,770.40 is: 311,655.60
Step by Step Solution
- Step 1: Write the proportion equation
207,770.40 : 311,655.60 = 207,770.40 : x - Step 2: Convert to fraction form
207,770.40/311,655.60 = 207,770.40/x - Step 3: Cross multiply
207,770.40x = 311,655.60 × 207,770.40 - Step 4: Simplify right side
207,770.40x = 64,752,808,674.24 - Step 5: Solve for x
x = 64,752,808,674.24/207,770.40 - Step 6: Final answer
x = 311,655.60
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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.