Finding the Fourth Proportional to 204,153.21, 305,630.97 and 143,151.96
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Solution
The fourth proportional to 204,153.21, 305,630.97 and 143,151.96 is: 214,308.03
Step by Step Solution
- Step 1: Write the proportion equation
204,153.21 : 305,630.97 = 143,151.96 : x - Step 2: Convert to fraction form
204,153.21/305,630.97 = 143,151.96/x - Step 3: Cross multiply
204,153.21x = 305,630.97 × 143,151.96 - Step 4: Simplify right side
204,153.21x = 43,751,672,392.20 - Step 5: Solve for x
x = 43,751,672,392.20/204,153.21 - Step 6: Final answer
x = 214,308.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.