Finding the Fourth Proportional to 239,752.33, 330,845.27 and 149,105.75
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Solution
The fourth proportional to 239,752.33, 330,845.27 and 149,105.75 is: 205,757.88
Step by Step Solution
- Step 1: Write the proportion equation
239,752.33 : 330,845.27 = 149,105.75 : x - Step 2: Convert to fraction form
239,752.33/330,845.27 = 149,105.75/x - Step 3: Cross multiply
239,752.33x = 330,845.27 × 149,105.75 - Step 4: Simplify right side
239,752.33x = 49,330,929,717.55 - Step 5: Solve for x
x = 49,330,929,717.55/239,752.33 - Step 6: Final answer
x = 205,757.88
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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.