Finding the Fourth Proportional to 214,304.76, 321,481.08 and 87,939.84
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Solution
The fourth proportional to 214,304.76, 321,481.08 and 87,939.84 is: 131,919.58
Step by Step Solution
- Step 1: Write the proportion equation
214,304.76 : 321,481.08 = 87,939.84 : x - Step 2: Convert to fraction form
214,304.76/321,481.08 = 87,939.84/x - Step 3: Cross multiply
214,304.76x = 321,481.08 × 87,939.84 - Step 4: Simplify right side
214,304.76x = 28,270,994,738.23 - Step 5: Solve for x
x = 28,270,994,738.23/214,304.76 - Step 6: Final answer
x = 131,919.58
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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.