Finding the Fourth Proportional to 201,911.38, 302,532.26 and 122,786.26
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Solution
The fourth proportional to 201,911.38, 302,532.26 and 122,786.26 is: 183,975.79
Step by Step Solution
- Step 1: Write the proportion equation
201,911.38 : 302,532.26 = 122,786.26 : x - Step 2: Convert to fraction form
201,911.38/302,532.26 = 122,786.26/x - Step 3: Cross multiply
201,911.38x = 302,532.26 × 122,786.26 - Step 4: Simplify right side
201,911.38x = 37,146,804,734.75 - Step 5: Solve for x
x = 37,146,804,734.75/201,911.38 - Step 6: Final answer
x = 183,975.79
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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.