Finding the Fourth Proportional to 543,791.13, 815,769.68 and 277,406.31
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Solution
The fourth proportional to 543,791.13, 815,769.68 and 277,406.31 is: 416,151.80
Step by Step Solution
- Step 1: Write the proportion equation
543,791.13 : 815,769.68 = 277,406.31 : x - Step 2: Convert to fraction form
543,791.13/815,769.68 = 277,406.31/x - Step 3: Cross multiply
543,791.13x = 815,769.68 × 277,406.31 - Step 4: Simplify right side
543,791.13x = 226,299,655,351.65 - Step 5: Solve for x
x = 226,299,655,351.65/543,791.13 - Step 6: Final answer
x = 416,151.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.