Finding the Fourth Proportional to 216,190.97, 324,485.80 and 109,649.70
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Solution
The fourth proportional to 216,190.97, 324,485.80 and 109,649.70 is: 164,575.65
Step by Step Solution
- Step 1: Write the proportion equation
216,190.97 : 324,485.80 = 109,649.70 : x - Step 2: Convert to fraction form
216,190.97/324,485.80 = 109,649.70/x - Step 3: Cross multiply
216,190.97x = 324,485.80 × 109,649.70 - Step 4: Simplify right side
216,190.97x = 35,579,770,350.14 - Step 5: Solve for x
x = 35,579,770,350.14/216,190.97 - Step 6: Final answer
x = 164,575.65
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1.5x scale
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.