Finding the Fourth Proportional to 216,213.07, 324,319.65 and 110,964.91
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Solution
The fourth proportional to 216,213.07, 324,319.65 and 110,964.91 is: 166,447.39
Step by Step Solution
- Step 1: Write the proportion equation
216,213.07 : 324,319.65 = 110,964.91 : x - Step 2: Convert to fraction form
216,213.07/324,319.65 = 110,964.91/x - Step 3: Cross multiply
216,213.07x = 324,319.65 × 110,964.91 - Step 4: Simplify right side
216,213.07x = 35,988,100,773.48 - Step 5: Solve for x
x = 35,988,100,773.48/216,213.07 - Step 6: Final answer
x = 166,447.39
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1.5x scale
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.