Finding the Fourth Proportional to 545,380.26, 818,107.79 and 185,404.65
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Solution
The fourth proportional to 545,380.26, 818,107.79 and 185,404.65 is: 278,119.69
Step by Step Solution
- Step 1: Write the proportion equation
545,380.26 : 818,107.79 = 185,404.65 : x - Step 2: Convert to fraction form
545,380.26/818,107.79 = 185,404.65/x - Step 3: Cross multiply
545,380.26x = 818,107.79 × 185,404.65 - Step 4: Simplify right side
545,380.26x = 151,680,987,540.20 - Step 5: Solve for x
x = 151,680,987,540.20/545,380.26 - Step 6: Final answer
x = 278,119.69
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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.