Finding the Fourth Proportional to 295,711.40, 443,858.70 and 146,120.60
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Solution
The fourth proportional to 295,711.40, 443,858.70 and 146,120.60 is: 219,324.99
Step by Step Solution
- Step 1: Write the proportion equation
295,711.40 : 443,858.70 = 146,120.60 : x - Step 2: Convert to fraction form
295,711.40/443,858.70 = 146,120.60/x - Step 3: Cross multiply
295,711.40x = 443,858.70 × 146,120.60 - Step 4: Simplify right side
295,711.40x = 64,856,899,559.22 - Step 5: Solve for x
x = 64,856,899,559.22/295,711.40 - Step 6: Final answer
x = 219,324.99
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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.