Finding the Fourth Proportional to 396,400.68, 594,892.62 and 263,236.68
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Solution
The fourth proportional to 396,400.68, 594,892.62 and 263,236.68 is: 395,048.66
Step by Step Solution
- Step 1: Write the proportion equation
396,400.68 : 594,892.62 = 263,236.68 : x - Step 2: Convert to fraction form
396,400.68/594,892.62 = 263,236.68/x - Step 3: Cross multiply
396,400.68x = 594,892.62 × 263,236.68 - Step 4: Simplify right side
396,400.68x = 156,597,558,245.30 - Step 5: Solve for x
x = 156,597,558,245.30/396,400.68 - Step 6: Final answer
x = 395,048.66
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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.