Finding the Fourth Proportional to 321,469.94, 482,224.94 and 84,812.84
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Solution
The fourth proportional to 321,469.94, 482,224.94 and 84,812.84 is: 127,224.54
Step by Step Solution
- Step 1: Write the proportion equation
321,469.94 : 482,224.94 = 84,812.84 : x - Step 2: Convert to fraction form
321,469.94/482,224.94 = 84,812.84/x - Step 3: Cross multiply
321,469.94x = 482,224.94 × 84,812.84 - Step 4: Simplify right side
321,469.94x = 40,898,866,680.23 - Step 5: Solve for x
x = 40,898,866,680.23/321,469.94 - Step 6: Final answer
x = 127,224.54
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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.