Finding the Fourth Proportional to 557,849.26, 769,837.08 and 303,201.10
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Solution
The fourth proportional to 557,849.26, 769,837.08 and 303,201.10 is: 418,420.29
Step by Step Solution
- Step 1: Write the proportion equation
557,849.26 : 769,837.08 = 303,201.10 : x - Step 2: Convert to fraction form
557,849.26/769,837.08 = 303,201.10/x - Step 3: Cross multiply
557,849.26x = 769,837.08 × 303,201.10 - Step 4: Simplify right side
557,849.26x = 233,415,449,476.79 - Step 5: Solve for x
x = 233,415,449,476.79/557,849.26 - Step 6: Final answer
x = 418,420.29
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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.