Finding the Fourth Proportional to 199,144.26, 274,818.96 and 109,720.26
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Solution
The fourth proportional to 199,144.26, 274,818.96 and 109,720.26 is: 151,413.89
Step by Step Solution
- Step 1: Write the proportion equation
199,144.26 : 274,818.96 = 109,720.26 : x - Step 2: Convert to fraction form
199,144.26/274,818.96 = 109,720.26/x - Step 3: Cross multiply
199,144.26x = 274,818.96 × 109,720.26 - Step 4: Simplify right side
199,144.26x = 30,153,207,744.13 - Step 5: Solve for x
x = 30,153,207,744.13/199,144.26 - Step 6: Final answer
x = 151,413.89
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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.