Finding the Fourth Proportional to 436,716.10, 655,207.85 and 223,634.88
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Solution
The fourth proportional to 436,716.10, 655,207.85 and 223,634.88 is: 335,520.79
Step by Step Solution
- Step 1: Write the proportion equation
436,716.10 : 655,207.85 = 223,634.88 : x - Step 2: Convert to fraction form
436,716.10/655,207.85 = 223,634.88/x - Step 3: Cross multiply
436,716.10x = 655,207.85 × 223,634.88 - Step 4: Simplify right side
436,716.10x = 146,527,330,807.75 - Step 5: Solve for x
x = 146,527,330,807.75/436,716.10 - Step 6: Final answer
x = 335,520.79
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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.