Finding the Fourth Proportional to 311,415.20, 467,122.80 and 295,863.20
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Solution
The fourth proportional to 311,415.20, 467,122.80 and 295,863.20 is: 443,794.80
Step by Step Solution
- Step 1: Write the proportion equation
311,415.20 : 467,122.80 = 295,863.20 : x - Step 2: Convert to fraction form
311,415.20/467,122.80 = 295,863.20/x - Step 3: Cross multiply
311,415.20x = 467,122.80 × 295,863.20 - Step 4: Simplify right side
311,415.20x = 138,204,446,400.96 - Step 5: Solve for x
x = 138,204,446,400.96/311,415.20 - Step 6: Final answer
x = 443,794.80
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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.