Finding the Fourth Proportional to 428,344.91, 591,119.48 and 237,361.49
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Solution
The fourth proportional to 428,344.91, 591,119.48 and 237,361.49 is: 327,560.80
Step by Step Solution
- Step 1: Write the proportion equation
428,344.91 : 591,119.48 = 237,361.49 : x - Step 2: Convert to fraction form
428,344.91/591,119.48 = 237,361.49/x - Step 3: Cross multiply
428,344.91x = 591,119.48 × 237,361.49 - Step 4: Simplify right side
428,344.91x = 140,309,000,540.83 - Step 5: Solve for x
x = 140,309,000,540.83/428,344.91 - Step 6: Final answer
x = 327,560.80
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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.