Finding the Fourth Proportional to 216,328.26, 324,523.14 and 66,581.03
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Solution
The fourth proportional to 216,328.26, 324,523.14 and 66,581.03 is: 99,881.01
Step by Step Solution
- Step 1: Write the proportion equation
216,328.26 : 324,523.14 = 66,581.03 : x - Step 2: Convert to fraction form
216,328.26/324,523.14 = 66,581.03/x - Step 3: Cross multiply
216,328.26x = 324,523.14 × 66,581.03 - Step 4: Simplify right side
216,328.26x = 21,607,084,920.03 - Step 5: Solve for x
x = 21,607,084,920.03/216,328.26 - Step 6: Final answer
x = 99,881.01
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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.