Finding the Fourth Proportional to 259,857.44, 389,472.24 and 126,537.92
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Solution
The fourth proportional to 259,857.44, 389,472.24 and 126,537.92 is: 189,654.02
Step by Step Solution
- Step 1: Write the proportion equation
259,857.44 : 389,472.24 = 126,537.92 : x - Step 2: Convert to fraction form
259,857.44/389,472.24 = 126,537.92/x - Step 3: Cross multiply
259,857.44x = 389,472.24 × 126,537.92 - Step 4: Simplify right side
259,857.44x = 49,283,007,147.34 - Step 5: Solve for x
x = 49,283,007,147.34/259,857.44 - Step 6: Final answer
x = 189,654.02
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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.