Finding the Fourth Proportional to 206,380.17, 309,600.99 and 73,249.26
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Solution
The fourth proportional to 206,380.17, 309,600.99 and 73,249.26 is: 109,884.80
Step by Step Solution
- Step 1: Write the proportion equation
206,380.17 : 309,600.99 = 73,249.26 : x - Step 2: Convert to fraction form
206,380.17/309,600.99 = 73,249.26/x - Step 3: Cross multiply
206,380.17x = 309,600.99 × 73,249.26 - Step 4: Simplify right side
206,380.17x = 22,678,043,412.77 - Step 5: Solve for x
x = 22,678,043,412.77/206,380.17 - Step 6: Final answer
x = 109,884.80
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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.