Finding the Fourth Proportional to 504,653.10, 696,422.43 and 278,296.62
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Solution
The fourth proportional to 504,653.10, 696,422.43 and 278,296.62 is: 384,049.97
Step by Step Solution
- Step 1: Write the proportion equation
504,653.10 : 696,422.43 = 278,296.62 : x - Step 2: Convert to fraction form
504,653.10/696,422.43 = 278,296.62/x - Step 3: Cross multiply
504,653.10x = 696,422.43 × 278,296.62 - Step 4: Simplify right side
504,653.10x = 193,812,008,361.19 - Step 5: Solve for x
x = 193,812,008,361.19/504,653.10 - Step 6: Final answer
x = 384,049.97
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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.