Finding the Fourth Proportional to 225,958.26, 338,939.34 and 57,478.75
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Solution
The fourth proportional to 225,958.26, 338,939.34 and 57,478.75 is: 86,218.62
Step by Step Solution
- Step 1: Write the proportion equation
225,958.26 : 338,939.34 = 57,478.75 : x - Step 2: Convert to fraction form
225,958.26/338,939.34 = 57,478.75/x - Step 3: Cross multiply
225,958.26x = 338,939.34 × 57,478.75 - Step 4: Simplify right side
225,958.26x = 19,481,810,755.98 - Step 5: Solve for x
x = 19,481,810,755.98/225,958.26 - Step 6: Final answer
x = 86,218.62
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1.5x scale
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.