Finding the Fourth Proportional to 274,245.20, 411,367.80 and 96,750.80
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Solution
The fourth proportional to 274,245.20, 411,367.80 and 96,750.80 is: 145,126.20
Step by Step Solution
- Step 1: Write the proportion equation
274,245.20 : 411,367.80 = 96,750.80 : x - Step 2: Convert to fraction form
274,245.20/411,367.80 = 96,750.80/x - Step 3: Cross multiply
274,245.20x = 411,367.80 × 96,750.80 - Step 4: Simplify right side
274,245.20x = 39,800,163,744.24 - Step 5: Solve for x
x = 39,800,163,744.24/274,245.20 - Step 6: Final answer
x = 145,126.20
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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.