Finding the Fourth Proportional to 738,469.46, 1,107,704.10 and 177,503.96
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Solution
The fourth proportional to 738,469.46, 1,107,704.10 and 177,503.96 is: 266,255.92
Step by Step Solution
- Step 1: Write the proportion equation
738,469.46 : 1,107,704.10 = 177,503.96 : x - Step 2: Convert to fraction form
738,469.46/1,107,704.10 = 177,503.96/x - Step 3: Cross multiply
738,469.46x = 1,107,704.10 × 177,503.96 - Step 4: Simplify right side
738,469.46x = 196,621,864,258.24 - Step 5: Solve for x
x = 196,621,864,258.24/738,469.46 - Step 6: Final answer
x = 266,255.92
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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.