Finding the Fourth Proportional to 143,193.75, 214,736.63 and 115,044.63
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Solution
The fourth proportional to 143,193.75, 214,736.63 and 115,044.63 is: 172,523.56
Step by Step Solution
- Step 1: Write the proportion equation
143,193.75 : 214,736.63 = 115,044.63 : x - Step 2: Convert to fraction form
143,193.75/214,736.63 = 115,044.63/x - Step 3: Cross multiply
143,193.75x = 214,736.63 × 115,044.63 - Step 4: Simplify right side
143,193.75x = 24,704,295,570.57 - Step 5: Solve for x
x = 24,704,295,570.57/143,193.75 - Step 6: Final answer
x = 172,523.56
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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.