Finding the Fourth Proportional to 263,299.68, 394,453.80 and 130,024.44
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Solution
The fourth proportional to 263,299.68, 394,453.80 and 130,024.44 is: 194,791.86
Step by Step Solution
- Step 1: Write the proportion equation
263,299.68 : 394,453.80 = 130,024.44 : x - Step 2: Convert to fraction form
263,299.68/394,453.80 = 130,024.44/x - Step 3: Cross multiply
263,299.68x = 394,453.80 × 130,024.44 - Step 4: Simplify right side
263,299.68x = 51,288,634,450.87 - Step 5: Solve for x
x = 51,288,634,450.87/263,299.68 - Step 6: Final answer
x = 194,791.86
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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.