Finding the Fourth Proportional to 218,107.05, 327,160.56 and 60,331.40
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Solution
The fourth proportional to 218,107.05, 327,160.56 and 60,331.40 is: 90,497.09
Step by Step Solution
- Step 1: Write the proportion equation
218,107.05 : 327,160.56 = 60,331.40 : x - Step 2: Convert to fraction form
218,107.05/327,160.56 = 60,331.40/x - Step 3: Cross multiply
218,107.05x = 327,160.56 × 60,331.40 - Step 4: Simplify right side
218,107.05x = 19,738,052,973.78 - Step 5: Solve for x
x = 19,738,052,973.78/218,107.05 - Step 6: Final answer
x = 90,497.09
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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.