Finding the Fourth Proportional to 203,502.57, 305,249.09 and 53,753.31
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Solution
The fourth proportional to 203,502.57, 305,249.09 and 53,753.31 is: 80,628.71
Step by Step Solution
- Step 1: Write the proportion equation
203,502.57 : 305,249.09 = 53,753.31 : x - Step 2: Convert to fraction form
203,502.57/305,249.09 = 53,753.31/x - Step 3: Cross multiply
203,502.57x = 305,249.09 × 53,753.31 - Step 4: Simplify right side
203,502.57x = 16,408,148,961.99 - Step 5: Solve for x
x = 16,408,148,961.99/203,502.57 - Step 6: Final answer
x = 80,628.71
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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.