Finding the Fourth Proportional to 208,211.97, 312,316.92 and 50,440.44
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Solution
The fourth proportional to 208,211.97, 312,316.92 and 50,440.44 is: 75,660.41
Step by Step Solution
- Step 1: Write the proportion equation
208,211.97 : 312,316.92 = 50,440.44 : x - Step 2: Convert to fraction form
208,211.97/312,316.92 = 50,440.44/x - Step 3: Cross multiply
208,211.97x = 312,316.92 × 50,440.44 - Step 4: Simplify right side
208,211.97x = 15,753,402,864.24 - Step 5: Solve for x
x = 15,753,402,864.24/208,211.97 - Step 6: Final answer
x = 75,660.41
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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.