Finding the Fourth Proportional to 207,330.70, 311,324.10 and 157,467.10
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Solution
The fourth proportional to 207,330.70, 311,324.10 and 157,467.10 is: 236,449.80
Step by Step Solution
- Step 1: Write the proportion equation
207,330.70 : 311,324.10 = 157,467.10 : x - Step 2: Convert to fraction form
207,330.70/311,324.10 = 157,467.10/x - Step 3: Cross multiply
207,330.70x = 311,324.10 × 157,467.10 - Step 4: Simplify right side
207,330.70x = 49,023,303,187.11 - Step 5: Solve for x
x = 49,023,303,187.11/207,330.70 - Step 6: Final answer
x = 236,449.80
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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.