Finding the Fourth Proportional to 129,753.26, 194,739.24 and 50,922.84
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Solution
The fourth proportional to 129,753.26, 194,739.24 and 50,922.84 is: 76,427.18
Step by Step Solution
- Step 1: Write the proportion equation
129,753.26 : 194,739.24 = 50,922.84 : x - Step 2: Convert to fraction form
129,753.26/194,739.24 = 50,922.84/x - Step 3: Cross multiply
129,753.26x = 194,739.24 × 50,922.84 - Step 4: Simplify right side
129,753.26x = 9,916,675,160.24 - Step 5: Solve for x
x = 9,916,675,160.24/129,753.26 - Step 6: Final answer
x = 76,427.18
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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.