Finding the Fourth Proportional to 394,704.91, 544,941.84 and 273,803.91
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Solution
The fourth proportional to 394,704.91, 544,941.84 and 273,803.91 is: 378,022.17
Step by Step Solution
- Step 1: Write the proportion equation
394,704.91 : 544,941.84 = 273,803.91 : x - Step 2: Convert to fraction form
394,704.91/544,941.84 = 273,803.91/x - Step 3: Cross multiply
394,704.91x = 544,941.84 × 273,803.91 - Step 4: Simplify right side
394,704.91x = 149,207,206,514.59 - Step 5: Solve for x
x = 149,207,206,514.59/394,704.91 - Step 6: Final answer
x = 378,022.17
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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.