Finding the Fourth Proportional to 216,969.63, 325,470.84 and 67,225.03
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Solution
The fourth proportional to 216,969.63, 325,470.84 and 67,225.03 is: 100,842.62
Step by Step Solution
- Step 1: Write the proportion equation
216,969.63 : 325,470.84 = 67,225.03 : x - Step 2: Convert to fraction form
216,969.63/325,470.84 = 67,225.03/x - Step 3: Cross multiply
216,969.63x = 325,470.84 × 67,225.03 - Step 4: Simplify right side
216,969.63x = 21,879,786,983.13 - Step 5: Solve for x
x = 21,879,786,983.13/216,969.63 - Step 6: Final answer
x = 100,842.62
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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.