Finding the Fourth Proportional to 263,419.36, 394,729.91 and 174,353.79
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Solution
The fourth proportional to 263,419.36, 394,729.91 and 174,353.79 is: 261,266.50
Step by Step Solution
- Step 1: Write the proportion equation
263,419.36 : 394,729.91 = 174,353.79 : x - Step 2: Convert to fraction form
263,419.36/394,729.91 = 174,353.79/x - Step 3: Cross multiply
263,419.36x = 394,729.91 × 174,353.79 - Step 4: Simplify right side
263,419.36x = 68,822,653,861.21 - Step 5: Solve for x
x = 68,822,653,861.21/263,419.36 - Step 6: Final answer
x = 261,266.50
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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.