Finding the Fourth Proportional to 489,571.51, 734,201.73 and 157,069.75
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Solution
The fourth proportional to 489,571.51, 734,201.73 and 157,069.75 is: 235,554.72
Step by Step Solution
- Step 1: Write the proportion equation
489,571.51 : 734,201.73 = 157,069.75 : x - Step 2: Convert to fraction form
489,571.51/734,201.73 = 157,069.75/x - Step 3: Cross multiply
489,571.51x = 734,201.73 × 157,069.75 - Step 4: Simplify right side
489,571.51x = 115,320,882,180.67 - Step 5: Solve for x
x = 115,320,882,180.67/489,571.51 - Step 6: Final answer
x = 235,554.72
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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.