Finding the Fourth Proportional to 289,168.93, 398,850.28 and 201,808.19
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Solution
The fourth proportional to 289,168.93, 398,850.28 and 201,808.19 is: 278,353.74
Step by Step Solution
- Step 1: Write the proportion equation
289,168.93 : 398,850.28 = 201,808.19 : x - Step 2: Convert to fraction form
289,168.93/398,850.28 = 201,808.19/x - Step 3: Cross multiply
289,168.93x = 398,850.28 × 201,808.19 - Step 4: Simplify right side
289,168.93x = 80,491,253,580.40 - Step 5: Solve for x
x = 80,491,253,580.40/289,168.93 - Step 6: Final answer
x = 278,353.74
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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.