Finding the Fourth Proportional to 183,198.78, 252,809.91 and 102,629.70
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Solution
The fourth proportional to 183,198.78, 252,809.91 and 102,629.70 is: 141,626.52
Step by Step Solution
- Step 1: Write the proportion equation
183,198.78 : 252,809.91 = 102,629.70 : x - Step 2: Convert to fraction form
183,198.78/252,809.91 = 102,629.70/x - Step 3: Cross multiply
183,198.78x = 252,809.91 × 102,629.70 - Step 4: Simplify right side
183,198.78x = 25,945,805,220.33 - Step 5: Solve for x
x = 25,945,805,220.33/183,198.78 - Step 6: Final answer
x = 141,626.52
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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.