Finding the Fourth Proportional to 264,858.40, 397,299.84 and 87,380.92
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Solution
The fourth proportional to 264,858.40, 397,299.84 and 87,380.92 is: 131,075.42
Step by Step Solution
- Step 1: Write the proportion equation
264,858.40 : 397,299.84 = 87,380.92 : x - Step 2: Convert to fraction form
264,858.40/397,299.84 = 87,380.92/x - Step 3: Cross multiply
264,858.40x = 397,299.84 × 87,380.92 - Step 4: Simplify right side
264,858.40x = 34,716,425,535.05 - Step 5: Solve for x
x = 34,716,425,535.05/264,858.40 - Step 6: Final answer
x = 131,075.42
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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.