Finding the Fourth Proportional to 146,242.08, 201,814.92 and 79,174.08
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Solution
The fourth proportional to 146,242.08, 201,814.92 and 79,174.08 is: 109,260.69
Step by Step Solution
- Step 1: Write the proportion equation
146,242.08 : 201,814.92 = 79,174.08 : x - Step 2: Convert to fraction form
146,242.08/201,814.92 = 79,174.08/x - Step 3: Cross multiply
146,242.08x = 201,814.92 × 79,174.08 - Step 4: Simplify right side
146,242.08x = 15,978,510,621.27 - Step 5: Solve for x
x = 15,978,510,621.27/146,242.08 - Step 6: Final answer
x = 109,260.69
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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.