Finding the Fourth Proportional to 240,789.11, 332,288.14 and 138,814.08
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Solution
The fourth proportional to 240,789.11, 332,288.14 and 138,814.08 is: 191,562.96
Step by Step Solution
- Step 1: Write the proportion equation
240,789.11 : 332,288.14 = 138,814.08 : x - Step 2: Convert to fraction form
240,789.11/332,288.14 = 138,814.08/x - Step 3: Cross multiply
240,789.11x = 332,288.14 × 138,814.08 - Step 4: Simplify right side
240,789.11x = 46,126,273,745.38 - Step 5: Solve for x
x = 46,126,273,745.38/240,789.11 - Step 6: Final answer
x = 191,562.96
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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.