Finding the Fourth Proportional to 299,000.20, 447,722.70 and 193,246.60
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Solution
The fourth proportional to 299,000.20, 447,722.70 and 193,246.60 is: 289,367.33
Step by Step Solution
- Step 1: Write the proportion equation
299,000.20 : 447,722.70 = 193,246.60 : x - Step 2: Convert to fraction form
299,000.20/447,722.70 = 193,246.60/x - Step 3: Cross multiply
299,000.20x = 447,722.70 × 193,246.60 - Step 4: Simplify right side
299,000.20x = 86,520,889,517.82 - Step 5: Solve for x
x = 86,520,889,517.82/299,000.20 - Step 6: Final answer
x = 289,367.33
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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.