Finding the Fourth Proportional to 365,431.70, 548,147.55 and 207,967.70
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Solution
The fourth proportional to 365,431.70, 548,147.55 and 207,967.70 is: 311,951.55
Step by Step Solution
- Step 1: Write the proportion equation
365,431.70 : 548,147.55 = 207,967.70 : x - Step 2: Convert to fraction form
365,431.70/548,147.55 = 207,967.70/x - Step 3: Cross multiply
365,431.70x = 548,147.55 × 207,967.70 - Step 4: Simplify right side
365,431.70x = 113,996,985,234.14 - Step 5: Solve for x
x = 113,996,985,234.14/365,431.70 - Step 6: Final answer
x = 311,951.55
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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.