Finding the Fourth Proportional to 214,873.75, 322,310.63 and 67,129.75
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Solution
The fourth proportional to 214,873.75, 322,310.63 and 67,129.75 is: 100,694.63
Step by Step Solution
- Step 1: Write the proportion equation
214,873.75 : 322,310.63 = 67,129.75 : x - Step 2: Convert to fraction form
214,873.75/322,310.63 = 67,129.75/x - Step 3: Cross multiply
214,873.75x = 322,310.63 × 67,129.75 - Step 4: Simplify right side
214,873.75x = 21,636,632,014.24 - Step 5: Solve for x
x = 21,636,632,014.24/214,873.75 - Step 6: Final answer
x = 100,694.63
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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.