Finding the Fourth Proportional to 209,967.26, 315,132.86 and 110,197.94
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Solution
The fourth proportional to 209,967.26, 315,132.86 and 110,197.94 is: 165,392.41
Step by Step Solution
- Step 1: Write the proportion equation
209,967.26 : 315,132.86 = 110,197.94 : x - Step 2: Convert to fraction form
209,967.26/315,132.86 = 110,197.94/x - Step 3: Cross multiply
209,967.26x = 315,132.86 × 110,197.94 - Step 4: Simplify right side
209,967.26x = 34,726,990,698.14 - Step 5: Solve for x
x = 34,726,990,698.14/209,967.26 - Step 6: Final answer
x = 165,392.41
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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.