Finding the Fourth Proportional to 216,135.41, 324,203.12 and 110,887.25
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Solution
The fourth proportional to 216,135.41, 324,203.12 and 110,887.25 is: 166,330.88
Step by Step Solution
- Step 1: Write the proportion equation
216,135.41 : 324,203.12 = 110,887.25 : x - Step 2: Convert to fraction form
216,135.41/324,203.12 = 110,887.25/x - Step 3: Cross multiply
216,135.41x = 324,203.12 × 110,887.25 - Step 4: Simplify right side
216,135.41x = 35,949,992,418.22 - Step 5: Solve for x
x = 35,949,992,418.22/216,135.41 - Step 6: Final answer
x = 166,330.88
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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.