Finding the Fourth Proportional to 557,852.14, 769,843.74 and 303,203.26
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Solution
The fourth proportional to 557,852.14, 769,843.74 and 303,203.26 is: 418,424.73
Step by Step Solution
- Step 1: Write the proportion equation
557,852.14 : 769,843.74 = 303,203.26 : x - Step 2: Convert to fraction form
557,852.14/769,843.74 = 303,203.26/x - Step 3: Cross multiply
557,852.14x = 769,843.74 × 303,203.26 - Step 4: Simplify right side
557,852.14x = 233,419,131,658.59 - Step 5: Solve for x
x = 233,419,131,658.59/557,852.14 - Step 6: Final answer
x = 418,424.73
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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.