Finding the Fourth Proportional to 263,554.09, 363,704.11 and 142,695.48
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Solution
The fourth proportional to 263,554.09, 363,704.11 and 142,695.48 is: 196,919.47
Step by Step Solution
- Step 1: Write the proportion equation
263,554.09 : 363,704.11 = 142,695.48 : x - Step 2: Convert to fraction form
263,554.09/363,704.11 = 142,695.48/x - Step 3: Cross multiply
263,554.09x = 363,704.11 × 142,695.48 - Step 4: Simplify right side
263,554.09x = 51,898,932,554.42 - Step 5: Solve for x
x = 51,898,932,554.42/263,554.09 - Step 6: Final answer
x = 196,919.47
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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.