Finding the Fourth Proportional to 161,049.24, 222,212.16 and 97,385.70
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Solution
The fourth proportional to 161,049.24, 222,212.16 and 97,385.70 is: 134,370.62
Step by Step Solution
- Step 1: Write the proportion equation
161,049.24 : 222,212.16 = 97,385.70 : x - Step 2: Convert to fraction form
161,049.24/222,212.16 = 97,385.70/x - Step 3: Cross multiply
161,049.24x = 222,212.16 × 97,385.70 - Step 4: Simplify right side
161,049.24x = 21,640,286,750.11 - Step 5: Solve for x
x = 21,640,286,750.11/161,049.24 - Step 6: Final answer
x = 134,370.62
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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.