Finding the Fourth Proportional to 240,790.91, 332,198.97 and 137,430.84
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Solution
The fourth proportional to 240,790.91, 332,198.97 and 137,430.84 is: 189,601.77
Step by Step Solution
- Step 1: Write the proportion equation
240,790.91 : 332,198.97 = 137,430.84 : x - Step 2: Convert to fraction form
240,790.91/332,198.97 = 137,430.84/x - Step 3: Cross multiply
240,790.91x = 332,198.97 × 137,430.84 - Step 4: Simplify right side
240,790.91x = 45,654,383,555.07 - Step 5: Solve for x
x = 45,654,383,555.07/240,790.91 - Step 6: Final answer
x = 189,601.77
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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.