Finding the Fourth Proportional to 303,489.16, 418,814.97 and 167,523.07
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Solution
The fourth proportional to 303,489.16, 418,814.97 and 167,523.07 is: 231,181.79
Step by Step Solution
- Step 1: Write the proportion equation
303,489.16 : 418,814.97 = 167,523.07 : x - Step 2: Convert to fraction form
303,489.16/418,814.97 = 167,523.07/x - Step 3: Cross multiply
303,489.16x = 418,814.97 × 167,523.07 - Step 4: Simplify right side
303,489.16x = 70,161,166,604.67 - Step 5: Solve for x
x = 70,161,166,604.67/303,489.16 - Step 6: Final answer
x = 231,181.79
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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.