Finding the Fourth Proportional to 512,176.80, 768,034.80 and 196,528.80
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Solution
The fourth proportional to 512,176.80, 768,034.80 and 196,528.80 is: 294,704.79
Step by Step Solution
- Step 1: Write the proportion equation
512,176.80 : 768,034.80 = 196,528.80 : x - Step 2: Convert to fraction form
512,176.80/768,034.80 = 196,528.80/x - Step 3: Cross multiply
512,176.80x = 768,034.80 × 196,528.80 - Step 4: Simplify right side
512,176.80x = 150,940,957,602.24 - Step 5: Solve for x
x = 150,940,957,602.24/512,176.80 - Step 6: Final answer
x = 294,704.79
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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.