Finding the Fourth Proportional to 440,759.97, 661,103.19 and 312,144.53
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Solution
The fourth proportional to 440,759.97, 661,103.19 and 312,144.53 is: 468,190.75
Step by Step Solution
- Step 1: Write the proportion equation
440,759.97 : 661,103.19 = 312,144.53 : x - Step 2: Convert to fraction form
440,759.97/661,103.19 = 312,144.53/x - Step 3: Cross multiply
440,759.97x = 661,103.19 × 312,144.53 - Step 4: Simplify right side
440,759.97x = 206,359,741,218.54 - Step 5: Solve for x
x = 206,359,741,218.54/440,759.97 - Step 6: Final answer
x = 468,190.75
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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.