Finding the Fourth Proportional to 204,063.62, 281,594.16 and 113,413.70
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Solution
The fourth proportional to 204,063.62, 281,594.16 and 113,413.70 is: 156,503.33
Step by Step Solution
- Step 1: Write the proportion equation
204,063.62 : 281,594.16 = 113,413.70 : x - Step 2: Convert to fraction form
204,063.62/281,594.16 = 113,413.70/x - Step 3: Cross multiply
204,063.62x = 281,594.16 × 113,413.70 - Step 4: Simplify right side
204,063.62x = 31,936,635,583.99 - Step 5: Solve for x
x = 31,936,635,583.99/204,063.62 - Step 6: Final answer
x = 156,503.33
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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.