Finding the Fourth Proportional to 394,103.97, 591,238.98 and 127,843.70
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Solution
The fourth proportional to 394,103.97, 591,238.98 and 127,843.70 is: 191,792.48
Step by Step Solution
- Step 1: Write the proportion equation
394,103.97 : 591,238.98 = 127,843.70 : x - Step 2: Convert to fraction form
394,103.97/591,238.98 = 127,843.70/x - Step 3: Cross multiply
394,103.97x = 591,238.98 × 127,843.70 - Step 4: Simplify right side
394,103.97x = 75,586,175,831.23 - Step 5: Solve for x
x = 75,586,175,831.23/394,103.97 - Step 6: Final answer
x = 191,792.48
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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.