Finding the Fourth Proportional to 216,399.97, 298,625.84 and 120,906.68
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Solution
The fourth proportional to 216,399.97, 298,625.84 and 120,906.68 is: 166,847.79
Step by Step Solution
- Step 1: Write the proportion equation
216,399.97 : 298,625.84 = 120,906.68 : x - Step 2: Convert to fraction form
216,399.97/298,625.84 = 120,906.68/x - Step 3: Cross multiply
216,399.97x = 298,625.84 × 120,906.68 - Step 4: Simplify right side
216,399.97x = 36,105,857,232.35 - Step 5: Solve for x
x = 36,105,857,232.35/216,399.97 - Step 6: Final answer
x = 166,847.79
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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.