Finding the Fourth Proportional to 214,558.10, 321,859.62 and 79,659.08
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Solution
The fourth proportional to 214,558.10, 321,859.62 and 79,659.08 is: 119,496.96
Step by Step Solution
- Step 1: Write the proportion equation
214,558.10 : 321,859.62 = 79,659.08 : x - Step 2: Convert to fraction form
214,558.10/321,859.62 = 79,659.08/x - Step 3: Cross multiply
214,558.10x = 321,859.62 × 79,659.08 - Step 4: Simplify right side
214,558.10x = 25,639,039,609.05 - Step 5: Solve for x
x = 25,639,039,609.05/214,558.10 - Step 6: Final answer
x = 119,496.96
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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.