Finding the Fourth Proportional to 206,414.34, 309,625.16 and 73,201.74
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Solution
The fourth proportional to 206,414.34, 309,625.16 and 73,201.74 is: 109,803.90
Step by Step Solution
- Step 1: Write the proportion equation
206,414.34 : 309,625.16 = 73,201.74 : x - Step 2: Convert to fraction form
206,414.34/309,625.16 = 73,201.74/x - Step 3: Cross multiply
206,414.34x = 309,625.16 × 73,201.74 - Step 4: Simplify right side
206,414.34x = 22,665,100,093.77 - Step 5: Solve for x
x = 22,665,100,093.77/206,414.34 - Step 6: Final answer
x = 109,803.90
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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.