Finding the Fourth Proportional to 129,752.26, 194,737.74 and 50,921.84
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Solution
The fourth proportional to 129,752.26, 194,737.74 and 50,921.84 is: 76,425.67
Step by Step Solution
- Step 1: Write the proportion equation
129,752.26 : 194,737.74 = 50,921.84 : x - Step 2: Convert to fraction form
129,752.26/194,737.74 = 50,921.84/x - Step 3: Cross multiply
129,752.26x = 194,737.74 × 50,921.84 - Step 4: Simplify right side
129,752.26x = 9,916,404,038.24 - Step 5: Solve for x
x = 9,916,404,038.24/129,752.26 - Step 6: Final answer
x = 76,425.67
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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.