Finding the Fourth Proportional to 290,073.08, 400,294.58 and 161,003.97
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Solution
The fourth proportional to 290,073.08, 400,294.58 and 161,003.97 is: 222,181.99
Step by Step Solution
- Step 1: Write the proportion equation
290,073.08 : 400,294.58 = 161,003.97 : x - Step 2: Convert to fraction form
290,073.08/400,294.58 = 161,003.97/x - Step 3: Cross multiply
290,073.08x = 400,294.58 × 161,003.97 - Step 4: Simplify right side
290,073.08x = 64,449,015,744.46 - Step 5: Solve for x
x = 64,449,015,744.46/290,073.08 - Step 6: Final answer
x = 222,181.99
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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.