Finding the Fourth Proportional to 382,108.80, 573,163.20 and 204,961.80
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Solution
The fourth proportional to 382,108.80, 573,163.20 and 204,961.80 is: 307,442.70
Step by Step Solution
- Step 1: Write the proportion equation
382,108.80 : 573,163.20 = 204,961.80 : x - Step 2: Convert to fraction form
382,108.80/573,163.20 = 204,961.80/x - Step 3: Cross multiply
382,108.80x = 573,163.20 × 204,961.80 - Step 4: Simplify right side
382,108.80x = 117,476,561,165.76 - Step 5: Solve for x
x = 117,476,561,165.76/382,108.80 - Step 6: Final answer
x = 307,442.70
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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.