Finding the Fourth Proportional to 200,556.57, 276,809.09 and 115,662.09
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Solution
The fourth proportional to 200,556.57, 276,809.09 and 115,662.09 is: 159,637.34
Step by Step Solution
- Step 1: Write the proportion equation
200,556.57 : 276,809.09 = 115,662.09 : x - Step 2: Convert to fraction form
200,556.57/276,809.09 = 115,662.09/x - Step 3: Cross multiply
200,556.57x = 276,809.09 × 115,662.09 - Step 4: Simplify right side
200,556.57x = 32,016,317,302.09 - Step 5: Solve for x
x = 32,016,317,302.09/200,556.57 - Step 6: Final answer
x = 159,637.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.