Finding the Fourth Proportional to 164,135.70, 246,203.55 and 143,399.70
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Solution
The fourth proportional to 164,135.70, 246,203.55 and 143,399.70 is: 215,099.55
Step by Step Solution
- Step 1: Write the proportion equation
164,135.70 : 246,203.55 = 143,399.70 : x - Step 2: Convert to fraction form
164,135.70/246,203.55 = 143,399.70/x - Step 3: Cross multiply
164,135.70x = 246,203.55 × 143,399.70 - Step 4: Simplify right side
164,135.70x = 35,305,515,208.94 - Step 5: Solve for x
x = 35,305,515,208.94/164,135.70 - Step 6: Final answer
x = 215,099.55
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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.