Finding the Fourth Proportional to 218,685.44, 327,820.80 and 107,747.84
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Solution
The fourth proportional to 218,685.44, 327,820.80 and 107,747.84 is: 161,519.59
Step by Step Solution
- Step 1: Write the proportion equation
218,685.44 : 327,820.80 = 107,747.84 : x - Step 2: Convert to fraction form
218,685.44/327,820.80 = 107,747.84/x - Step 3: Cross multiply
218,685.44x = 327,820.80 × 107,747.84 - Step 4: Simplify right side
218,685.44x = 35,321,983,107.07 - Step 5: Solve for x
x = 35,321,983,107.07/218,685.44 - Step 6: Final answer
x = 161,519.59
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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.