Finding the Fourth Proportional to 285,759.26, 394,370.08 and 158,459.66
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Solution
The fourth proportional to 285,759.26, 394,370.08 and 158,459.66 is: 218,686.70
Step by Step Solution
- Step 1: Write the proportion equation
285,759.26 : 394,370.08 = 158,459.66 : x - Step 2: Convert to fraction form
285,759.26/394,370.08 = 158,459.66/x - Step 3: Cross multiply
285,759.26x = 394,370.08 × 158,459.66 - Step 4: Simplify right side
285,759.26x = 62,491,748,790.97 - Step 5: Solve for x
x = 62,491,748,790.97/285,759.26 - Step 6: Final answer
x = 218,686.70
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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.