Finding the Fourth Proportional to 263,158.13, 394,762.21 and 73,618.54
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Solution
The fourth proportional to 263,158.13, 394,762.21 and 73,618.54 is: 110,434.80
Step by Step Solution
- Step 1: Write the proportion equation
263,158.13 : 394,762.21 = 73,618.54 : x - Step 2: Convert to fraction form
263,158.13/394,762.21 = 73,618.54/x - Step 3: Cross multiply
263,158.13x = 394,762.21 × 73,618.54 - Step 4: Simplify right side
263,158.13x = 29,061,816,376.42 - Step 5: Solve for x
x = 29,061,816,376.42/263,158.13 - Step 6: Final answer
x = 110,434.80
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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.