Finding the Fourth Proportional to 512,230.80, 768,115.80 and 196,582.80
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Solution
The fourth proportional to 512,230.80, 768,115.80 and 196,582.80 is: 294,785.78
Step by Step Solution
- Step 1: Write the proportion equation
512,230.80 : 768,115.80 = 196,582.80 : x - Step 2: Convert to fraction form
512,230.80/768,115.80 = 196,582.80/x - Step 3: Cross multiply
512,230.80x = 768,115.80 × 196,582.80 - Step 4: Simplify right side
512,230.80x = 150,998,354,688.24 - Step 5: Solve for x
x = 150,998,354,688.24/512,230.80 - Step 6: Final answer
x = 294,785.78
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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.