Finding the Fourth Proportional to 281,278.08, 421,863.36 and 84,286.08
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Solution
The fourth proportional to 281,278.08, 421,863.36 and 84,286.08 is: 126,413.01
Step by Step Solution
- Step 1: Write the proportion equation
281,278.08 : 421,863.36 = 84,286.08 : x - Step 2: Convert to fraction form
281,278.08/421,863.36 = 84,286.08/x - Step 3: Cross multiply
281,278.08x = 421,863.36 × 84,286.08 - Step 4: Simplify right side
281,278.08x = 35,557,208,910.03 - Step 5: Solve for x
x = 35,557,208,910.03/281,278.08 - Step 6: Final answer
x = 126,413.01
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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.