Finding the Fourth Proportional to 161,487.42, 222,621.67 and 113,592.12
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Solution
The fourth proportional to 161,487.42, 222,621.67 and 113,592.12 is: 156,594.66
Step by Step Solution
- Step 1: Write the proportion equation
161,487.42 : 222,621.67 = 113,592.12 : x - Step 2: Convert to fraction form
161,487.42/222,621.67 = 113,592.12/x - Step 3: Cross multiply
161,487.42x = 222,621.67 × 113,592.12 - Step 4: Simplify right side
161,487.42x = 25,288,067,453.24 - Step 5: Solve for x
x = 25,288,067,453.24/161,487.42 - Step 6: Final answer
x = 156,594.66
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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.