Finding the Fourth Proportional to 201,626.82, 302,236.92 and 126,800.44
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Solution
The fourth proportional to 201,626.82, 302,236.92 and 126,800.44 is: 190,072.80
Step by Step Solution
- Step 1: Write the proportion equation
201,626.82 : 302,236.92 = 126,800.44 : x - Step 2: Convert to fraction form
201,626.82/302,236.92 = 126,800.44/x - Step 3: Cross multiply
201,626.82x = 302,236.92 × 126,800.44 - Step 4: Simplify right side
201,626.82x = 38,323,773,684.65 - Step 5: Solve for x
x = 38,323,773,684.65/201,626.82 - Step 6: Final answer
x = 190,072.80
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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.