Finding the Fourth Proportional to 204,451.36, 306,450.24 and 86,087.68
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Solution
The fourth proportional to 204,451.36, 306,450.24 and 86,087.68 is: 129,036.02
Step by Step Solution
- Step 1: Write the proportion equation
204,451.36 : 306,450.24 = 86,087.68 : x - Step 2: Convert to fraction form
204,451.36/306,450.24 = 86,087.68/x - Step 3: Cross multiply
204,451.36x = 306,450.24 × 86,087.68 - Step 4: Simplify right side
204,451.36x = 26,381,590,197.04 - Step 5: Solve for x
x = 26,381,590,197.04/204,451.36 - Step 6: Final answer
x = 129,036.02
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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.