Finding the Fourth Proportional to 394,139.98, 543,924.06 and 241,175.42
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Solution
The fourth proportional to 394,139.98, 543,924.06 and 241,175.42 is: 332,828.75
Step by Step Solution
- Step 1: Write the proportion equation
394,139.98 : 543,924.06 = 241,175.42 : x - Step 2: Convert to fraction form
394,139.98/543,924.06 = 241,175.42/x - Step 3: Cross multiply
394,139.98x = 543,924.06 × 241,175.42 - Step 4: Simplify right side
394,139.98x = 131,181,116,450.48 - Step 5: Solve for x
x = 131,181,116,450.48/394,139.98 - Step 6: Final answer
x = 332,828.75
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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.