Finding the Fourth Proportional to 207,651.72, 311,025.17 and 136,494.03
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Solution
The fourth proportional to 207,651.72, 311,025.17 and 136,494.03 is: 204,443.66
Step by Step Solution
- Step 1: Write the proportion equation
207,651.72 : 311,025.17 = 136,494.03 : x - Step 2: Convert to fraction form
207,651.72/311,025.17 = 136,494.03/x - Step 3: Cross multiply
207,651.72x = 311,025.17 × 136,494.03 - Step 4: Simplify right side
207,651.72x = 42,453,078,202.26 - Step 5: Solve for x
x = 42,453,078,202.26/207,651.72 - Step 6: Final answer
x = 204,443.66
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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.