Finding the Fourth Proportional to 303,691.10, 419,095.49 and 167,722.47
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Solution
The fourth proportional to 303,691.10, 419,095.49 and 167,722.47 is: 231,457.99
Step by Step Solution
- Step 1: Write the proportion equation
303,691.10 : 419,095.49 = 167,722.47 : x - Step 2: Convert to fraction form
303,691.10/419,095.49 = 167,722.47/x - Step 3: Cross multiply
303,691.10x = 419,095.49 × 167,722.47 - Step 4: Simplify right side
303,691.10x = 70,291,729,910.05 - Step 5: Solve for x
x = 70,291,729,910.05/303,691.10 - Step 6: Final answer
x = 231,457.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.