Finding the Fourth Proportional to 226,899.21, 313,217.73 and 161,530.19
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Solution
The fourth proportional to 226,899.21, 313,217.73 and 161,530.19 is: 222,980.58
Step by Step Solution
- Step 1: Write the proportion equation
226,899.21 : 313,217.73 = 161,530.19 : x - Step 2: Convert to fraction form
226,899.21/313,217.73 = 161,530.19/x - Step 3: Cross multiply
226,899.21x = 313,217.73 × 161,530.19 - Step 4: Simplify right side
226,899.21x = 50,594,117,872.18 - Step 5: Solve for x
x = 50,594,117,872.18/226,899.21 - Step 6: Final answer
x = 222,980.58
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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.