Finding the Fourth Proportional to 129,803.24, 194,626.02 and 50,822.84
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Solution
The fourth proportional to 129,803.24, 194,626.02 and 50,822.84 is: 76,203.39
Step by Step Solution
- Step 1: Write the proportion equation
129,803.24 : 194,626.02 = 50,822.84 : x - Step 2: Convert to fraction form
129,803.24/194,626.02 = 50,822.84/x - Step 3: Cross multiply
129,803.24x = 194,626.02 × 50,822.84 - Step 4: Simplify right side
129,803.24x = 9,891,447,074.30 - Step 5: Solve for x
x = 9,891,447,074.30/129,803.24 - Step 6: Final answer
x = 76,203.39
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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.