Finding the Fourth Proportional to 216,221.67, 324,348.17 and 83,102.09
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Solution
The fourth proportional to 216,221.67, 324,348.17 and 83,102.09 is: 124,659.15
Step by Step Solution
- Step 1: Write the proportion equation
216,221.67 : 324,348.17 = 83,102.09 : x - Step 2: Convert to fraction form
216,221.67/324,348.17 = 83,102.09/x - Step 3: Cross multiply
216,221.67x = 324,348.17 × 83,102.09 - Step 4: Simplify right side
216,221.67x = 26,954,008,777.42 - Step 5: Solve for x
x = 26,954,008,777.42/216,221.67 - Step 6: Final answer
x = 124,659.15
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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.