Finding the Fourth Proportional to 161,121.24, 222,311.52 and 97,457.67
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Solution
The fourth proportional to 161,121.24, 222,311.52 and 97,457.67 is: 134,469.94
Step by Step Solution
- Step 1: Write the proportion equation
161,121.24 : 222,311.52 = 97,457.67 : x - Step 2: Convert to fraction form
161,121.24/222,311.52 = 97,457.67/x - Step 3: Cross multiply
161,121.24x = 222,311.52 × 97,457.67 - Step 4: Simplify right side
161,121.24x = 21,665,962,753.36 - Step 5: Solve for x
x = 21,665,962,753.36/161,121.24 - Step 6: Final answer
x = 134,469.94
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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.