Finding the Fourth Proportional to 71,157.23, 106,742.00 and 18,566.72
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Solution
The fourth proportional to 71,157.23, 106,742.00 and 18,566.72 is: 27,851.68
Step by Step Solution
- Step 1: Write the proportion equation
71,157.23 : 106,742.00 = 18,566.72 : x - Step 2: Convert to fraction form
71,157.23/106,742.00 = 18,566.72/x - Step 3: Cross multiply
71,157.23x = 106,742.00 × 18,566.72 - Step 4: Simplify right side
71,157.23x = 1,981,848,739.23 - Step 5: Solve for x
x = 1,981,848,739.23/71,157.23 - Step 6: Final answer
x = 27,851.68
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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.