Finding the Fourth Proportional to 134,728.36, 201,960.42 and 114,782.92
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Solution
The fourth proportional to 134,728.36, 201,960.42 and 114,782.92 is: 172,061.82
Step by Step Solution
- Step 1: Write the proportion equation
134,728.36 : 201,960.42 = 114,782.92 : x - Step 2: Convert to fraction form
134,728.36/201,960.42 = 114,782.92/x - Step 3: Cross multiply
134,728.36x = 201,960.42 × 114,782.92 - Step 4: Simplify right side
134,728.36x = 23,181,606,732.03 - Step 5: Solve for x
x = 23,181,606,732.03/134,728.36 - Step 6: Final answer
x = 172,061.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.