Finding the Fourth Proportional to 332,889.44, 459,354.42 and 189,640.94
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Solution
The fourth proportional to 332,889.44, 459,354.42 and 189,640.94 is: 261,685.69
Step by Step Solution
- Step 1: Write the proportion equation
332,889.44 : 459,354.42 = 189,640.94 : x - Step 2: Convert to fraction form
332,889.44/459,354.42 = 189,640.94/x - Step 3: Cross multiply
332,889.44x = 459,354.42 × 189,640.94 - Step 4: Simplify right side
332,889.44x = 87,112,404,001.95 - Step 5: Solve for x
x = 87,112,404,001.95/332,889.44 - Step 6: Final answer
x = 261,685.69
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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.