Finding the Fourth Proportional to 204,207.18, 306,310.84 and 84,262.38
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Solution
The fourth proportional to 204,207.18, 306,310.84 and 84,262.38 is: 126,393.60
Step by Step Solution
- Step 1: Write the proportion equation
204,207.18 : 306,310.84 = 84,262.38 : x - Step 2: Convert to fraction form
204,207.18/306,310.84 = 84,262.38/x - Step 3: Cross multiply
204,207.18x = 306,310.84 × 84,262.38 - Step 4: Simplify right side
204,207.18x = 25,810,480,398.20 - Step 5: Solve for x
x = 25,810,480,398.20/204,207.18 - Step 6: Final answer
x = 126,393.60
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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.