Finding the Fourth Proportional to 394,584.48, 544,395.87 and 222,480.81
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Solution
The fourth proportional to 394,584.48, 544,395.87 and 222,480.81 is: 306,949.82
Step by Step Solution
- Step 1: Write the proportion equation
394,584.48 : 544,395.87 = 222,480.81 : x - Step 2: Convert to fraction form
394,584.48/544,395.87 = 222,480.81/x - Step 3: Cross multiply
394,584.48x = 544,395.87 × 222,480.81 - Step 4: Simplify right side
394,584.48x = 121,117,634,118.26 - Step 5: Solve for x
x = 121,117,634,118.26/394,584.48 - Step 6: Final answer
x = 306,949.82
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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.