Finding the Fourth Proportional to 171,878.67, 237,236.19 and 117,452.88
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Solution
The fourth proportional to 171,878.67, 237,236.19 and 117,452.88 is: 162,114.79
Step by Step Solution
- Step 1: Write the proportion equation
171,878.67 : 237,236.19 = 117,452.88 : x - Step 2: Convert to fraction form
171,878.67/237,236.19 = 117,452.88/x - Step 3: Cross multiply
171,878.67x = 237,236.19 × 117,452.88 - Step 4: Simplify right side
171,878.67x = 27,864,073,755.73 - Step 5: Solve for x
x = 27,864,073,755.73/171,878.67 - Step 6: Final answer
x = 162,114.79
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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.