Finding the Fourth Proportional to 251,157.44, 376,694.26 and 82,679.60
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Solution
The fourth proportional to 251,157.44, 376,694.26 and 82,679.60 is: 124,005.61
Step by Step Solution
- Step 1: Write the proportion equation
251,157.44 : 376,694.26 = 82,679.60 : x - Step 2: Convert to fraction form
251,157.44/376,694.26 = 82,679.60/x - Step 3: Cross multiply
251,157.44x = 376,694.26 × 82,679.60 - Step 4: Simplify right side
251,157.44x = 31,144,930,739.10 - Step 5: Solve for x
x = 31,144,930,739.10/251,157.44 - Step 6: Final answer
x = 124,005.61
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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.