Finding the Fourth Proportional to 202,194.70, 303,413.55 and 83,853.70
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Solution
The fourth proportional to 202,194.70, 303,413.55 and 83,853.70 is: 125,830.94
Step by Step Solution
- Step 1: Write the proportion equation
202,194.70 : 303,413.55 = 83,853.70 : x - Step 2: Convert to fraction form
202,194.70/303,413.55 = 83,853.70/x - Step 3: Cross multiply
202,194.70x = 303,413.55 × 83,853.70 - Step 4: Simplify right side
202,194.70x = 25,442,348,797.64 - Step 5: Solve for x
x = 25,442,348,797.64/202,194.70 - Step 6: Final answer
x = 125,830.94
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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.