Finding the Fourth Proportional to 511,273.24, 705,542.94 and 284,912.92
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Solution
The fourth proportional to 511,273.24, 705,542.94 and 284,912.92 is: 393,171.95
Step by Step Solution
- Step 1: Write the proportion equation
511,273.24 : 705,542.94 = 284,912.92 : x - Step 2: Convert to fraction form
511,273.24/705,542.94 = 284,912.92/x - Step 3: Cross multiply
511,273.24x = 705,542.94 × 284,912.92 - Step 4: Simplify right side
511,273.24x = 201,018,299,220.79 - Step 5: Solve for x
x = 201,018,299,220.79/511,273.24 - Step 6: Final answer
x = 393,171.95
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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.