Finding the Fourth Proportional to 225,161.91, 338,129.19 and 199,918.44
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Solution
The fourth proportional to 225,161.91, 338,129.19 and 199,918.44 is: 300,220.67
Step by Step Solution
- Step 1: Write the proportion equation
225,161.91 : 338,129.19 = 199,918.44 : x - Step 2: Convert to fraction form
225,161.91/338,129.19 = 199,918.44/x - Step 3: Cross multiply
225,161.91x = 338,129.19 × 199,918.44 - Step 4: Simplify right side
225,161.91x = 67,598,260,183.26 - Step 5: Solve for x
x = 67,598,260,183.26/225,161.91 - Step 6: Final answer
x = 300,220.67
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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.