Finding the Fourth Proportional to 557,672.19, 769,592.49 and 303,023.37
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Solution
The fourth proportional to 557,672.19, 769,592.49 and 303,023.37 is: 418,174.90
Step by Step Solution
- Step 1: Write the proportion equation
557,672.19 : 769,592.49 = 303,023.37 : x - Step 2: Convert to fraction form
557,672.19/769,592.49 = 303,023.37/x - Step 3: Cross multiply
557,672.19x = 769,592.49 × 303,023.37 - Step 4: Simplify right side
557,672.19x = 233,204,510,841.95 - Step 5: Solve for x
x = 233,204,510,841.95/557,672.19 - Step 6: Final answer
x = 418,174.90
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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.