Finding the Fourth Proportional to 396,481.68, 594,405.36 and 206,846.88
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Solution
The fourth proportional to 396,481.68, 594,405.36 and 206,846.88 is: 310,104.86
Step by Step Solution
- Step 1: Write the proportion equation
396,481.68 : 594,405.36 = 206,846.88 : x - Step 2: Convert to fraction form
396,481.68/594,405.36 = 206,846.88/x - Step 3: Cross multiply
396,481.68x = 594,405.36 × 206,846.88 - Step 4: Simplify right side
396,481.68x = 122,950,894,171.28 - Step 5: Solve for x
x = 122,950,894,171.28/396,481.68 - Step 6: Final answer
x = 310,104.86
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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.