Finding the Fourth Proportional to 277,843.44, 416,715.36 and 78,115.92
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Solution
The fourth proportional to 277,843.44, 416,715.36 and 78,115.92 is: 117,159.88
Step by Step Solution
- Step 1: Write the proportion equation
277,843.44 : 416,715.36 = 78,115.92 : x - Step 2: Convert to fraction form
277,843.44/416,715.36 = 78,115.92/x - Step 3: Cross multiply
277,843.44x = 416,715.36 × 78,115.92 - Step 4: Simplify right side
277,843.44x = 32,552,103,724.53 - Step 5: Solve for x
x = 32,552,103,724.53/277,843.44 - Step 6: Final answer
x = 117,159.88
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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.