Finding the Fourth Proportional to 263,299.24, 394,887.84 and 73,772.92
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Solution
The fourth proportional to 263,299.24, 394,887.84 and 73,772.92 is: 110,642.28
Step by Step Solution
- Step 1: Write the proportion equation
263,299.24 : 394,887.84 = 73,772.92 : x - Step 2: Convert to fraction form
263,299.24/394,887.84 = 73,772.92/x - Step 3: Cross multiply
263,299.24x = 394,887.84 × 73,772.92 - Step 4: Simplify right side
263,299.24x = 29,132,029,029.29 - Step 5: Solve for x
x = 29,132,029,029.29/263,299.24 - Step 6: Final answer
x = 110,642.28
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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.