Finding the Fourth Proportional to 285,568.48, 394,096.62 and 158,243.68
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Solution
The fourth proportional to 285,568.48, 394,096.62 and 158,243.68 is: 218,382.99
Step by Step Solution
- Step 1: Write the proportion equation
285,568.48 : 394,096.62 = 158,243.68 : x - Step 2: Convert to fraction form
285,568.48/394,096.62 = 158,243.68/x - Step 3: Cross multiply
285,568.48x = 394,096.62 × 158,243.68 - Step 4: Simplify right side
285,568.48x = 62,363,299,424.36 - Step 5: Solve for x
x = 62,363,299,424.36/285,568.48 - Step 6: Final answer
x = 218,382.99
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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.