Finding the Fourth Proportional to 394,910.44, 544,754.97 and 242,022.74
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Solution
The fourth proportional to 394,910.44, 544,754.97 and 242,022.74 is: 333,855.67
Step by Step Solution
- Step 1: Write the proportion equation
394,910.44 : 544,754.97 = 242,022.74 : x - Step 2: Convert to fraction form
394,910.44/544,754.97 = 242,022.74/x - Step 3: Cross multiply
394,910.44x = 544,754.97 × 242,022.74 - Step 4: Simplify right side
394,910.44x = 131,843,087,744.24 - Step 5: Solve for x
x = 131,843,087,744.24/394,910.44 - Step 6: Final answer
x = 333,855.67
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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.