Finding the Fourth Proportional to 343,872.14, 515,137.20 and 225,183.65
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Solution
The fourth proportional to 343,872.14, 515,137.20 and 225,183.65 is: 337,336.07
Step by Step Solution
- Step 1: Write the proportion equation
343,872.14 : 515,137.20 = 225,183.65 : x - Step 2: Convert to fraction form
343,872.14/515,137.20 = 225,183.65/x - Step 3: Cross multiply
343,872.14x = 515,137.20 × 225,183.65 - Step 4: Simplify right side
343,872.14x = 116,000,474,946.78 - Step 5: Solve for x
x = 116,000,474,946.78/343,872.14 - Step 6: Final answer
x = 337,336.07
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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.