Finding the Fourth Proportional to 382,984.74, 574,985.99 and 327,183.44
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Solution
The fourth proportional to 382,984.74, 574,985.99 and 327,183.44 is: 491,209.89
Step by Step Solution
- Step 1: Write the proportion equation
382,984.74 : 574,985.99 = 327,183.44 : x - Step 2: Convert to fraction form
382,984.74/574,985.99 = 327,183.44/x - Step 3: Cross multiply
382,984.74x = 574,985.99 × 327,183.44 - Step 4: Simplify right side
382,984.74x = 188,125,892,103.03 - Step 5: Solve for x
x = 188,125,892,103.03/382,984.74 - Step 6: Final answer
x = 491,209.89
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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.