Finding the Fourth Proportional to 204,720.80, 306,643.80 and 169,728.80
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Solution
The fourth proportional to 204,720.80, 306,643.80 and 169,728.80 is: 254,230.56
Step by Step Solution
- Step 1: Write the proportion equation
204,720.80 : 306,643.80 = 169,728.80 : x - Step 2: Convert to fraction form
204,720.80/306,643.80 = 169,728.80/x - Step 3: Cross multiply
204,720.80x = 306,643.80 × 169,728.80 - Step 4: Simplify right side
204,720.80x = 52,046,284,201.44 - Step 5: Solve for x
x = 52,046,284,201.44/204,720.80 - Step 6: Final answer
x = 254,230.56
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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.