Finding the Fourth Proportional to 146,218.14, 201,758.28 and 82,554.60
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Solution
The fourth proportional to 146,218.14, 201,758.28 and 82,554.60 is: 113,912.50
Step by Step Solution
- Step 1: Write the proportion equation
146,218.14 : 201,758.28 = 82,554.60 : x - Step 2: Convert to fraction form
146,218.14/201,758.28 = 82,554.60/x - Step 3: Cross multiply
146,218.14x = 201,758.28 × 82,554.60 - Step 4: Simplify right side
146,218.14x = 16,656,074,102.09 - Step 5: Solve for x
x = 16,656,074,102.09/146,218.14 - Step 6: Final answer
x = 113,912.50
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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.