Finding the Fourth Proportional to 322,614.18, 445,218.99 and 177,431.19
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Solution
The fourth proportional to 322,614.18, 445,218.99 and 177,431.19 is: 244,861.32
Step by Step Solution
- Step 1: Write the proportion equation
322,614.18 : 445,218.99 = 177,431.19 : x - Step 2: Convert to fraction form
322,614.18/445,218.99 = 177,431.19/x - Step 3: Cross multiply
322,614.18x = 445,218.99 × 177,431.19 - Step 4: Simplify right side
322,614.18x = 78,995,735,206.30 - Step 5: Solve for x
x = 78,995,735,206.30/322,614.18 - Step 6: Final answer
x = 244,861.32
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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.