Finding the Fourth Proportional to 416,240.22, 574,413.26 and 225,253.62
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Solution
The fourth proportional to 416,240.22, 574,413.26 and 225,253.62 is: 310,850.94
Step by Step Solution
- Step 1: Write the proportion equation
416,240.22 : 574,413.26 = 225,253.62 : x - Step 2: Convert to fraction form
416,240.22/574,413.26 = 225,253.62/x - Step 3: Cross multiply
416,240.22x = 574,413.26 × 225,253.62 - Step 4: Simplify right side
416,240.22x = 129,388,665,064.73 - Step 5: Solve for x
x = 129,388,665,064.73/416,240.22 - Step 6: Final answer
x = 310,850.94
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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.