Finding the Fourth Proportional to 263,420.36, 394,731.41 and 174,354.79
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Solution
The fourth proportional to 263,420.36, 394,731.41 and 174,354.79 is: 261,268.00
Step by Step Solution
- Step 1: Write the proportion equation
263,420.36 : 394,731.41 = 174,354.79 : x - Step 2: Convert to fraction form
263,420.36/394,731.41 = 174,354.79/x - Step 3: Cross multiply
263,420.36x = 394,731.41 × 174,354.79 - Step 4: Simplify right side
263,420.36x = 68,823,310,123.30 - Step 5: Solve for x
x = 68,823,310,123.30/263,420.36 - Step 6: Final answer
x = 261,268.00
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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.