Finding the Fourth Proportional to 290,755.09, 401,183.19 and 169,873.02
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Solution
The fourth proportional to 290,755.09, 401,183.19 and 169,873.02 is: 234,390.39
Step by Step Solution
- Step 1: Write the proportion equation
290,755.09 : 401,183.19 = 169,873.02 : x - Step 2: Convert to fraction form
290,755.09/401,183.19 = 169,873.02/x - Step 3: Cross multiply
290,755.09x = 401,183.19 × 169,873.02 - Step 4: Simplify right side
290,755.09x = 68,150,199,306.32 - Step 5: Solve for x
x = 68,150,199,306.32/290,755.09 - Step 6: Final answer
x = 234,390.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.