Finding the Fourth Proportional to 326,310.06, 450,449.19 and 305,882.94
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Solution
The fourth proportional to 326,310.06, 450,449.19 and 305,882.94 is: 422,250.92
Step by Step Solution
- Step 1: Write the proportion equation
326,310.06 : 450,449.19 = 305,882.94 : x - Step 2: Convert to fraction form
326,310.06/450,449.19 = 305,882.94/x - Step 3: Cross multiply
326,310.06x = 450,449.19 × 305,882.94 - Step 4: Simplify right side
326,310.06x = 137,784,722,557.82 - Step 5: Solve for x
x = 137,784,722,557.82/326,310.06 - Step 6: Final answer
x = 422,250.92
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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.