Finding the Fourth Proportional to 207,635.80, 311,453.70 and 197,267.80
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Solution
The fourth proportional to 207,635.80, 311,453.70 and 197,267.80 is: 295,901.70
Step by Step Solution
- Step 1: Write the proportion equation
207,635.80 : 311,453.70 = 197,267.80 : x - Step 2: Convert to fraction form
207,635.80/311,453.70 = 197,267.80/x - Step 3: Cross multiply
207,635.80x = 311,453.70 × 197,267.80 - Step 4: Simplify right side
207,635.80x = 61,439,786,200.86 - Step 5: Solve for x
x = 61,439,786,200.86/207,635.80 - Step 6: Final answer
x = 295,901.70
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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.