Finding the Fourth Proportional to 263,651.49, 395,616.69 and 143,794.98
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Solution
The fourth proportional to 263,651.49, 395,616.69 and 143,794.98 is: 215,768.53
Step by Step Solution
- Step 1: Write the proportion equation
263,651.49 : 395,616.69 = 143,794.98 : x - Step 2: Convert to fraction form
263,651.49/395,616.69 = 143,794.98/x - Step 3: Cross multiply
263,651.49x = 395,616.69 × 143,794.98 - Step 4: Simplify right side
263,651.49x = 56,887,694,026.22 - Step 5: Solve for x
x = 56,887,694,026.22/263,651.49 - Step 6: Final answer
x = 215,768.53
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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.