Finding the Fourth Proportional to 303,121.37, 418,297.87 and 167,161.05
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Solution
The fourth proportional to 303,121.37, 418,297.87 and 167,161.05 is: 230,676.94
Step by Step Solution
- Step 1: Write the proportion equation
303,121.37 : 418,297.87 = 167,161.05 : x - Step 2: Convert to fraction form
303,121.37/418,297.87 = 167,161.05/x - Step 3: Cross multiply
303,121.37x = 418,297.87 × 167,161.05 - Step 4: Simplify right side
303,121.37x = 69,923,111,370.91 - Step 5: Solve for x
x = 69,923,111,370.91/303,121.37 - Step 6: Final answer
x = 230,676.94
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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.