Finding the Fourth Proportional to 300,413.97, 414,542.92 and 179,531.19
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Solution
The fourth proportional to 300,413.97, 414,542.92 and 179,531.19 is: 247,736.09
Step by Step Solution
- Step 1: Write the proportion equation
300,413.97 : 414,542.92 = 179,531.19 : x - Step 2: Convert to fraction form
300,413.97/414,542.92 = 179,531.19/x - Step 3: Cross multiply
300,413.97x = 414,542.92 × 179,531.19 - Step 4: Simplify right side
300,413.97x = 74,423,383,733.67 - Step 5: Solve for x
x = 74,423,383,733.67/300,413.97 - Step 6: Final answer
x = 247,736.09
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1.5x scale
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.