Finding the Fourth Proportional to 206,375.17, 284,800.78 and 120,331.84
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Solution
The fourth proportional to 206,375.17, 284,800.78 and 120,331.84 is: 166,059.71
Step by Step Solution
- Step 1: Write the proportion equation
206,375.17 : 284,800.78 = 120,331.84 : x - Step 2: Convert to fraction form
206,375.17/284,800.78 = 120,331.84/x - Step 3: Cross multiply
206,375.17x = 284,800.78 × 120,331.84 - Step 4: Simplify right side
206,375.17x = 34,270,601,890.84 - Step 5: Solve for x
x = 34,270,601,890.84/206,375.17 - Step 6: Final answer
x = 166,059.71
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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.