Finding the Fourth Proportional to 216,954.09, 325,309.25 and 148,642.74
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Solution
The fourth proportional to 216,954.09, 325,309.25 and 148,642.74 is: 222,880.60
Step by Step Solution
- Step 1: Write the proportion equation
216,954.09 : 325,309.25 = 148,642.74 : x - Step 2: Convert to fraction form
216,954.09/325,309.25 = 148,642.74/x - Step 3: Cross multiply
216,954.09x = 325,309.25 × 148,642.74 - Step 4: Simplify right side
216,954.09x = 48,354,857,524.13 - Step 5: Solve for x
x = 48,354,857,524.13/216,954.09 - Step 6: Final answer
x = 222,880.60
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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.