Finding the Fourth Proportional to 121,858.60, 182,791.64 and 33,113.98
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Solution
The fourth proportional to 121,858.60, 182,791.64 and 33,113.98 is: 49,671.99
Step by Step Solution
- Step 1: Write the proportion equation
121,858.60 : 182,791.64 = 33,113.98 : x - Step 2: Convert to fraction form
121,858.60/182,791.64 = 33,113.98/x - Step 3: Cross multiply
121,858.60x = 182,791.64 × 33,113.98 - Step 4: Simplify right side
121,858.60x = 6,052,958,711.13 - Step 5: Solve for x
x = 6,052,958,711.13/121,858.60 - Step 6: Final answer
x = 49,671.99
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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.