Finding the Fourth Proportional to 395,721.26, 546,105.48 and 225,971.18
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Solution
The fourth proportional to 395,721.26, 546,105.48 and 225,971.18 is: 311,846.02
Step by Step Solution
- Step 1: Write the proportion equation
395,721.26 : 546,105.48 = 225,971.18 : x - Step 2: Convert to fraction form
395,721.26/546,105.48 = 225,971.18/x - Step 3: Cross multiply
395,721.26x = 546,105.48 × 225,971.18 - Step 4: Simplify right side
395,721.26x = 123,404,099,720.07 - Step 5: Solve for x
x = 123,404,099,720.07/395,721.26 - Step 6: Final answer
x = 311,846.02
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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.