Finding the Fourth Proportional to 113,645.93, 170,469.74 and 50,449.05
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Solution
The fourth proportional to 113,645.93, 170,469.74 and 50,449.05 is: 75,673.95
Step by Step Solution
- Step 1: Write the proportion equation
113,645.93 : 170,469.74 = 50,449.05 : x - Step 2: Convert to fraction form
113,645.93/170,469.74 = 50,449.05/x - Step 3: Cross multiply
113,645.93x = 170,469.74 × 50,449.05 - Step 4: Simplify right side
113,645.93x = 8,600,036,562.87 - Step 5: Solve for x
x = 8,600,036,562.87/113,645.93 - Step 6: Final answer
x = 75,673.95
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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.