Finding the Fourth Proportional to 274,779.19, 412,121.20 and 82,650.84
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Solution
The fourth proportional to 274,779.19, 412,121.20 and 82,650.84 is: 123,961.95
Step by Step Solution
- Step 1: Write the proportion equation
274,779.19 : 412,121.20 = 82,650.84 : x - Step 2: Convert to fraction form
274,779.19/412,121.20 = 82,650.84/x - Step 3: Cross multiply
274,779.19x = 412,121.20 × 82,650.84 - Step 4: Simplify right side
274,779.19x = 34,062,163,361.81 - Step 5: Solve for x
x = 34,062,163,361.81/274,779.19 - Step 6: Final answer
x = 123,961.95
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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.