Finding the Fourth Proportional to 251,201.85, 376,861.90 and 82,735.62
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Solution
The fourth proportional to 251,201.85, 376,861.90 and 82,735.62 is: 124,122.90
Step by Step Solution
- Step 1: Write the proportion equation
251,201.85 : 376,861.90 = 82,735.62 : x - Step 2: Convert to fraction form
251,201.85/376,861.90 = 82,735.62/x - Step 3: Cross multiply
251,201.85x = 376,861.90 × 82,735.62 - Step 4: Simplify right side
251,201.85x = 31,179,902,950.88 - Step 5: Solve for x
x = 31,179,902,950.88/251,201.85 - Step 6: Final answer
x = 124,122.90
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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.