Finding the Fourth Proportional to 207,906.90, 311,857.58 and 50,134.08
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Solution
The fourth proportional to 207,906.90, 311,857.58 and 50,134.08 is: 75,200.45
Step by Step Solution
- Step 1: Write the proportion equation
207,906.90 : 311,857.58 = 50,134.08 : x - Step 2: Convert to fraction form
207,906.90/311,857.58 = 50,134.08/x - Step 3: Cross multiply
207,906.90x = 311,857.58 × 50,134.08 - Step 4: Simplify right side
207,906.90x = 15,634,692,864.33 - Step 5: Solve for x
x = 15,634,692,864.33/207,906.90 - Step 6: Final answer
x = 75,200.45
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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.