Finding the Fourth Proportional to 216,126.82, 324,190.23 and 110,878.66
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Solution
The fourth proportional to 216,126.82, 324,190.23 and 110,878.66 is: 166,317.99
Step by Step Solution
- Step 1: Write the proportion equation
216,126.82 : 324,190.23 = 110,878.66 : x - Step 2: Convert to fraction form
216,126.82/324,190.23 = 110,878.66/x - Step 3: Cross multiply
216,126.82x = 324,190.23 × 110,878.66 - Step 4: Simplify right side
216,126.82x = 35,945,778,287.49 - Step 5: Solve for x
x = 35,945,778,287.49/216,126.82 - Step 6: Final answer
x = 166,317.99
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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.