Finding the Fourth Proportional to 263,028.70, 394,705.05 and 113,340.70
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Solution
The fourth proportional to 263,028.70, 394,705.05 and 113,340.70 is: 170,080.86
Step by Step Solution
- Step 1: Write the proportion equation
263,028.70 : 394,705.05 = 113,340.70 : x - Step 2: Convert to fraction form
263,028.70/394,705.05 = 113,340.70/x - Step 3: Cross multiply
263,028.70x = 394,705.05 × 113,340.70 - Step 4: Simplify right side
263,028.70x = 44,736,146,660.54 - Step 5: Solve for x
x = 44,736,146,660.54/263,028.70 - Step 6: Final answer
x = 170,080.86
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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.