Finding the Fourth Proportional to 355,301.65, 490,322.69 and 194,163.49
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Solution
The fourth proportional to 355,301.65, 490,322.69 and 194,163.49 is: 267,949.12
Step by Step Solution
- Step 1: Write the proportion equation
355,301.65 : 490,322.69 = 194,163.49 : x - Step 2: Convert to fraction form
355,301.65/490,322.69 = 194,163.49/x - Step 3: Cross multiply
355,301.65x = 490,322.69 × 194,163.49 - Step 4: Simplify right side
355,301.65x = 95,202,763,490.78 - Step 5: Solve for x
x = 95,202,763,490.78/355,301.65 - Step 6: Final answer
x = 267,949.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.