Finding the Fourth Proportional to 311,630.44, 467,655.98 and 122,067.29
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Solution
The fourth proportional to 311,630.44, 467,655.98 and 122,067.29 is: 183,183.32
Step by Step Solution
- Step 1: Write the proportion equation
311,630.44 : 467,655.98 = 122,067.29 : x - Step 2: Convert to fraction form
311,630.44/467,655.98 = 122,067.29/x - Step 3: Cross multiply
311,630.44x = 467,655.98 × 122,067.29 - Step 4: Simplify right side
311,630.44x = 57,085,497,102.30 - Step 5: Solve for x
x = 57,085,497,102.30/311,630.44 - Step 6: Final answer
x = 183,183.32
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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.