Finding the Fourth Proportional to 512,452.98, 768,716.33 and 196,909.79
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Solution
The fourth proportional to 512,452.98, 768,716.33 and 196,909.79 is: 295,378.84
Step by Step Solution
- Step 1: Write the proportion equation
512,452.98 : 768,716.33 = 196,909.79 : x - Step 2: Convert to fraction form
512,452.98/768,716.33 = 196,909.79/x - Step 3: Cross multiply
512,452.98x = 768,716.33 × 196,909.79 - Step 4: Simplify right side
512,452.98x = 151,367,766,281.74 - Step 5: Solve for x
x = 151,367,766,281.74/512,452.98 - Step 6: Final answer
x = 295,378.84
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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.