Finding the Fourth Proportional to 146,028.56, 201,528.81 and 82,364.99
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Solution
The fourth proportional to 146,028.56, 201,528.81 and 82,364.99 is: 113,668.98
Step by Step Solution
- Step 1: Write the proportion equation
146,028.56 : 201,528.81 = 82,364.99 : x - Step 2: Convert to fraction form
146,028.56/201,528.81 = 82,364.99/x - Step 3: Cross multiply
146,028.56x = 201,528.81 × 82,364.99 - Step 4: Simplify right side
146,028.56x = 16,598,917,412.72 - Step 5: Solve for x
x = 16,598,917,412.72/146,028.56 - Step 6: Final answer
x = 113,668.98
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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.