Finding the Fourth Proportional to 170,157.35, 255,236.09 and 70,207.68
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Solution
The fourth proportional to 170,157.35, 255,236.09 and 70,207.68 is: 105,311.55
Step by Step Solution
- Step 1: Write the proportion equation
170,157.35 : 255,236.09 = 70,207.68 : x - Step 2: Convert to fraction form
170,157.35/255,236.09 = 70,207.68/x - Step 3: Cross multiply
170,157.35x = 255,236.09 × 70,207.68 - Step 4: Simplify right side
170,157.35x = 17,919,533,906.69 - Step 5: Solve for x
x = 17,919,533,906.69/170,157.35 - Step 6: Final answer
x = 105,311.55
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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.