Finding the Fourth Proportional to 208,662.67, 287,954.84 and 113,169.44
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Solution
The fourth proportional to 208,662.67, 287,954.84 and 113,169.44 is: 156,174.02
Step by Step Solution
- Step 1: Write the proportion equation
208,662.67 : 287,954.84 = 113,169.44 : x - Step 2: Convert to fraction form
208,662.67/287,954.84 = 113,169.44/x - Step 3: Cross multiply
208,662.67x = 287,954.84 × 113,169.44 - Step 4: Simplify right side
208,662.67x = 32,587,687,988.09 - Step 5: Solve for x
x = 32,587,687,988.09/208,662.67 - Step 6: Final answer
x = 156,174.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.