Finding the Fourth Proportional to 182,779.80, 274,169.70 and 129,635.70
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Solution
The fourth proportional to 182,779.80, 274,169.70 and 129,635.70 is: 194,453.55
Step by Step Solution
- Step 1: Write the proportion equation
182,779.80 : 274,169.70 = 129,635.70 : x - Step 2: Convert to fraction form
182,779.80/274,169.70 = 129,635.70/x - Step 3: Cross multiply
182,779.80x = 274,169.70 × 129,635.70 - Step 4: Simplify right side
182,779.80x = 35,542,180,978.29 - Step 5: Solve for x
x = 35,542,180,978.29/182,779.80 - Step 6: Final answer
x = 194,453.55
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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.