Finding the Fourth Proportional to 216,138.26, 324,206.43 and 58,382.90
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Solution
The fourth proportional to 216,138.26, 324,206.43 and 58,382.90 is: 87,574.09
Step by Step Solution
- Step 1: Write the proportion equation
216,138.26 : 324,206.43 = 58,382.90 : x - Step 2: Convert to fraction form
216,138.26/324,206.43 = 58,382.90/x - Step 3: Cross multiply
216,138.26x = 324,206.43 × 58,382.90 - Step 4: Simplify right side
216,138.26x = 18,928,111,582.05 - Step 5: Solve for x
x = 18,928,111,582.05/216,138.26 - Step 6: Final answer
x = 87,574.09
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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.