Finding the Fourth Proportional to 161,558.28, 222,873.84 and 113,837.88
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Solution
The fourth proportional to 161,558.28, 222,873.84 and 113,837.88 is: 157,042.31
Step by Step Solution
- Step 1: Write the proportion equation
161,558.28 : 222,873.84 = 113,837.88 : x - Step 2: Convert to fraction form
161,558.28/222,873.84 = 113,837.88/x - Step 3: Cross multiply
161,558.28x = 222,873.84 × 113,837.88 - Step 4: Simplify right side
161,558.28x = 25,371,485,453.06 - Step 5: Solve for x
x = 25,371,485,453.06/161,558.28 - Step 6: Final answer
x = 157,042.31
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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.