Finding the Fourth Proportional to 394,105.19, 591,240.81 and 127,844.92
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Solution
The fourth proportional to 394,105.19, 591,240.81 and 127,844.92 is: 191,794.31
Step by Step Solution
- Step 1: Write the proportion equation
394,105.19 : 591,240.81 = 127,844.92 : x - Step 2: Convert to fraction form
394,105.19/591,240.81 = 127,844.92/x - Step 3: Cross multiply
394,105.19x = 591,240.81 × 127,844.92 - Step 4: Simplify right side
394,105.19x = 75,587,134,055.19 - Step 5: Solve for x
x = 75,587,134,055.19/394,105.19 - Step 6: Final answer
x = 191,794.31
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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.