Finding the Fourth Proportional to 204,257.37, 306,394.29 and 71,151.09
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Solution
The fourth proportional to 204,257.37, 306,394.29 and 71,151.09 is: 106,729.50
Step by Step Solution
- Step 1: Write the proportion equation
204,257.37 : 306,394.29 = 71,151.09 : x - Step 2: Convert to fraction form
204,257.37/306,394.29 = 71,151.09/x - Step 3: Cross multiply
204,257.37x = 306,394.29 × 71,151.09 - Step 4: Simplify right side
204,257.37x = 21,800,287,703.28 - Step 5: Solve for x
x = 21,800,287,703.28/204,257.37 - Step 6: Final answer
x = 106,729.50
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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.