Finding the Fourth Proportional to 207,544.06, 311,359.83 and 67,291.75
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Solution
The fourth proportional to 207,544.06, 311,359.83 and 67,291.75 is: 100,951.81
Step by Step Solution
- Step 1: Write the proportion equation
207,544.06 : 311,359.83 = 67,291.75 : x - Step 2: Convert to fraction form
207,544.06/311,359.83 = 67,291.75/x - Step 3: Cross multiply
207,544.06x = 311,359.83 × 67,291.75 - Step 4: Simplify right side
207,544.06x = 20,951,947,840.40 - Step 5: Solve for x
x = 20,951,947,840.40/207,544.06 - Step 6: Final answer
x = 100,951.81
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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.