Finding the Fourth Proportional to 273,331.35, 409,997.06 and 140,126.64
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Solution
The fourth proportional to 273,331.35, 409,997.06 and 140,126.64 is: 210,189.99
Step by Step Solution
- Step 1: Write the proportion equation
273,331.35 : 409,997.06 = 140,126.64 : x - Step 2: Convert to fraction form
273,331.35/409,997.06 = 140,126.64/x - Step 3: Cross multiply
273,331.35x = 409,997.06 × 140,126.64 - Step 4: Simplify right side
273,331.35x = 57,451,511,749.26 - Step 5: Solve for x
x = 57,451,511,749.26/273,331.35 - Step 6: Final answer
x = 210,189.99
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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.