Finding the Fourth Proportional to 277,822.20, 416,927.70 and 120,163.80
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Solution
The fourth proportional to 277,822.20, 416,927.70 and 120,163.80 is: 180,329.78
Step by Step Solution
- Step 1: Write the proportion equation
277,822.20 : 416,927.70 = 120,163.80 : x - Step 2: Convert to fraction form
277,822.20/416,927.70 = 120,163.80/x - Step 3: Cross multiply
277,822.20x = 416,927.70 × 120,163.80 - Step 4: Simplify right side
277,822.20x = 50,099,616,757.26 - Step 5: Solve for x
x = 50,099,616,757.26/277,822.20 - Step 6: Final answer
x = 180,329.78
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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.