Finding the Fourth Proportional to 428,185.99, 590,745.17 and 255,984.44
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Solution
The fourth proportional to 428,185.99, 590,745.17 and 255,984.44 is: 353,167.96
Step by Step Solution
- Step 1: Write the proportion equation
428,185.99 : 590,745.17 = 255,984.44 : x - Step 2: Convert to fraction form
428,185.99/590,745.17 = 255,984.44/x - Step 3: Cross multiply
428,185.99x = 590,745.17 × 255,984.44 - Step 4: Simplify right side
428,185.99x = 151,221,570,245.23 - Step 5: Solve for x
x = 151,221,570,245.23/428,185.99 - Step 6: Final answer
x = 353,167.96
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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.