Finding the Fourth Proportional to 396,310.13, 594,115.26 and 303,231.41
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Solution
The fourth proportional to 396,310.13, 594,115.26 and 303,231.41 is: 454,579.37
Step by Step Solution
- Step 1: Write the proportion equation
396,310.13 : 594,115.26 = 303,231.41 : x - Step 2: Convert to fraction form
396,310.13/594,115.26 = 303,231.41/x - Step 3: Cross multiply
396,310.13x = 594,115.26 × 303,231.41 - Step 4: Simplify right side
396,310.13x = 180,154,405,021.74 - Step 5: Solve for x
x = 180,154,405,021.74/396,310.13 - Step 6: Final answer
x = 454,579.37
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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.