Finding the Fourth Proportional to 321,399.66, 482,201.37 and 193,456.08
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Solution
The fourth proportional to 321,399.66, 482,201.37 and 193,456.08 is: 290,245.44
Step by Step Solution
- Step 1: Write the proportion equation
321,399.66 : 482,201.37 = 193,456.08 : x - Step 2: Convert to fraction form
321,399.66/482,201.37 = 193,456.08/x - Step 3: Cross multiply
321,399.66x = 482,201.37 × 193,456.08 - Step 4: Simplify right side
321,399.66x = 93,284,786,810.83 - Step 5: Solve for x
x = 93,284,786,810.83/321,399.66 - Step 6: Final answer
x = 290,245.44
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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.