Finding the Fourth Proportional to 505,257.08, 757,227.49 and 205,387.38
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Solution
The fourth proportional to 505,257.08, 757,227.49 and 205,387.38 is: 307,813.54
Step by Step Solution
- Step 1: Write the proportion equation
505,257.08 : 757,227.49 = 205,387.38 : x - Step 2: Convert to fraction form
505,257.08/757,227.49 = 205,387.38/x - Step 3: Cross multiply
505,257.08x = 757,227.49 × 205,387.38 - Step 4: Simplify right side
505,257.08x = 155,524,969,721.61 - Step 5: Solve for x
x = 155,524,969,721.61/505,257.08 - Step 6: Final answer
x = 307,813.54
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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.