Finding the Fourth Proportional to 201,892.24, 278,620.68 and 117,035.92
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Solution
The fourth proportional to 201,892.24, 278,620.68 and 117,035.92 is: 161,515.01
Step by Step Solution
- Step 1: Write the proportion equation
201,892.24 : 278,620.68 = 117,035.92 : x - Step 2: Convert to fraction form
201,892.24/278,620.68 = 117,035.92/x - Step 3: Cross multiply
201,892.24x = 278,620.68 × 117,035.92 - Step 4: Simplify right side
201,892.24x = 32,608,627,614.83 - Step 5: Solve for x
x = 32,608,627,614.83/201,892.24 - Step 6: Final answer
x = 161,515.01
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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.