Finding the Fourth Proportional to 204,128.36, 305,537.42 and 109,121.03
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Solution
The fourth proportional to 204,128.36, 305,537.42 and 109,121.03 is: 163,331.33
Step by Step Solution
- Step 1: Write the proportion equation
204,128.36 : 305,537.42 = 109,121.03 : x - Step 2: Convert to fraction form
204,128.36/305,537.42 = 109,121.03/x - Step 3: Cross multiply
204,128.36x = 305,537.42 × 109,121.03 - Step 4: Simplify right side
204,128.36x = 33,340,556,719.06 - Step 5: Solve for x
x = 33,340,556,719.06/204,128.36 - Step 6: Final answer
x = 163,331.33
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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.