Finding the Fourth Proportional to 208,244.64, 312,366.97 and 50,473.09
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Solution
The fourth proportional to 208,244.64, 312,366.97 and 50,473.09 is: 75,709.64
Step by Step Solution
- Step 1: Write the proportion equation
208,244.64 : 312,366.97 = 50,473.09 : x - Step 2: Convert to fraction form
208,244.64/312,366.97 = 50,473.09/x - Step 3: Cross multiply
208,244.64x = 312,366.97 × 50,473.09 - Step 4: Simplify right side
208,244.64x = 15,766,126,189.84 - Step 5: Solve for x
x = 15,766,126,189.84/208,244.64 - Step 6: Final answer
x = 75,709.64
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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.