Finding the Fourth Proportional to 113,806.80, 170,786.39 and 47,246.99
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Solution
The fourth proportional to 113,806.80, 170,786.39 and 47,246.99 is: 70,902.11
Step by Step Solution
- Step 1: Write the proportion equation
113,806.80 : 170,786.39 = 47,246.99 : x - Step 2: Convert to fraction form
113,806.80/170,786.39 = 47,246.99/x - Step 3: Cross multiply
113,806.80x = 170,786.39 × 47,246.99 - Step 4: Simplify right side
113,806.80x = 8,069,141,770.30 - Step 5: Solve for x
x = 8,069,141,770.30/113,806.80 - Step 6: Final answer
x = 70,902.11
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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.