Finding the Fourth Proportional to 207,896.88, 311,842.59 and 50,124.07
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Solution
The fourth proportional to 207,896.88, 311,842.59 and 50,124.07 is: 75,185.45
Step by Step Solution
- Step 1: Write the proportion equation
207,896.88 : 311,842.59 = 50,124.07 : x - Step 2: Convert to fraction form
207,896.88/311,842.59 = 50,124.07/x - Step 3: Cross multiply
207,896.88x = 311,842.59 × 50,124.07 - Step 4: Simplify right side
207,896.88x = 15,630,819,810.14 - Step 5: Solve for x
x = 15,630,819,810.14/207,896.88 - Step 6: Final answer
x = 75,185.45
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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.