Finding the Fourth Proportional to 207,651.88, 311,025.40 and 136,494.19
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Solution
The fourth proportional to 207,651.88, 311,025.40 and 136,494.19 is: 204,443.90
Step by Step Solution
- Step 1: Write the proportion equation
207,651.88 : 311,025.40 = 136,494.19 : x - Step 2: Convert to fraction form
207,651.88/311,025.40 = 136,494.19/x - Step 3: Cross multiply
207,651.88x = 311,025.40 × 136,494.19 - Step 4: Simplify right side
207,651.88x = 42,453,160,042.43 - Step 5: Solve for x
x = 42,453,160,042.43/207,651.88 - Step 6: Final answer
x = 204,443.90
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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.