Finding the Fourth Proportional to 214,809.87, 296,520.29 and 143,163.75
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Solution
The fourth proportional to 214,809.87, 296,520.29 and 143,163.75 is: 197,621.08
Step by Step Solution
- Step 1: Write the proportion equation
214,809.87 : 296,520.29 = 143,163.75 : x - Step 2: Convert to fraction form
214,809.87/296,520.29 = 143,163.75/x - Step 3: Cross multiply
214,809.87x = 296,520.29 × 143,163.75 - Step 4: Simplify right side
214,809.87x = 42,450,958,405.78 - Step 5: Solve for x
x = 42,450,958,405.78/214,809.87 - Step 6: Final answer
x = 197,621.08
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1.5x scale
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.