Finding the Fourth Proportional to 149,370.24, 206,121.60 and 82,302.24
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Solution
The fourth proportional to 149,370.24, 206,121.60 and 82,302.24 is: 113,571.95
Step by Step Solution
- Step 1: Write the proportion equation
149,370.24 : 206,121.60 = 82,302.24 : x - Step 2: Convert to fraction form
149,370.24/206,121.60 = 82,302.24/x - Step 3: Cross multiply
149,370.24x = 206,121.60 × 82,302.24 - Step 4: Simplify right side
149,370.24x = 16,964,269,392.38 - Step 5: Solve for x
x = 16,964,269,392.38/149,370.24 - Step 6: Final answer
x = 113,571.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.