Finding the Fourth Proportional to 204,416.28, 306,625.74 and 71,296.02
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Solution
The fourth proportional to 204,416.28, 306,625.74 and 71,296.02 is: 106,944.49
Step by Step Solution
- Step 1: Write the proportion equation
204,416.28 : 306,625.74 = 71,296.02 : x - Step 2: Convert to fraction form
204,416.28/306,625.74 = 71,296.02/x - Step 3: Cross multiply
204,416.28x = 306,625.74 × 71,296.02 - Step 4: Simplify right side
204,416.28x = 21,861,194,891.55 - Step 5: Solve for x
x = 21,861,194,891.55/204,416.28 - Step 6: Final answer
x = 106,944.49
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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.