Finding the Fourth Proportional to 203,230.15, 280,504.26 and 135,249.99
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Solution
The fourth proportional to 203,230.15, 280,504.26 and 135,249.99 is: 186,676.03
Step by Step Solution
- Step 1: Write the proportion equation
203,230.15 : 280,504.26 = 135,249.99 : x - Step 2: Convert to fraction form
203,230.15/280,504.26 = 135,249.99/x - Step 3: Cross multiply
203,230.15x = 280,504.26 × 135,249.99 - Step 4: Simplify right side
203,230.15x = 37,938,198,359.96 - Step 5: Solve for x
x = 37,938,198,359.96/203,230.15 - Step 6: Final answer
x = 186,676.03
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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.