Finding the Fourth Proportional to 121,858.36, 182,791.26 and 33,113.75
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Solution
The fourth proportional to 121,858.36, 182,791.26 and 33,113.75 is: 49,671.63
Step by Step Solution
- Step 1: Write the proportion equation
121,858.36 : 182,791.26 = 33,113.75 : x - Step 2: Convert to fraction form
121,858.36/182,791.26 = 33,113.75/x - Step 3: Cross multiply
121,858.36x = 182,791.26 × 33,113.75 - Step 4: Simplify right side
121,858.36x = 6,052,903,171.87 - Step 5: Solve for x
x = 6,052,903,171.87/121,858.36 - Step 6: Final answer
x = 49,671.63
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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.