Finding the Fourth Proportional to 183,791.21, 275,205.67 and 120,411.95
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Solution
The fourth proportional to 183,791.21, 275,205.67 and 120,411.95 is: 180,302.70
Step by Step Solution
- Step 1: Write the proportion equation
183,791.21 : 275,205.67 = 120,411.95 : x - Step 2: Convert to fraction form
183,791.21/275,205.67 = 120,411.95/x - Step 3: Cross multiply
183,791.21x = 275,205.67 × 120,411.95 - Step 4: Simplify right side
183,791.21x = 33,138,049,698.70 - Step 5: Solve for x
x = 33,138,049,698.70/183,791.21 - Step 6: Final answer
x = 180,302.70
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1.5x scale
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.