Finding the Fourth Proportional to 194,145.21, 291,164.38 and 122,961.08
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Solution
The fourth proportional to 194,145.21, 291,164.38 and 122,961.08 is: 184,407.78
Step by Step Solution
- Step 1: Write the proportion equation
194,145.21 : 291,164.38 = 122,961.08 : x - Step 2: Convert to fraction form
194,145.21/291,164.38 = 122,961.08/x - Step 3: Cross multiply
194,145.21x = 291,164.38 × 122,961.08 - Step 4: Simplify right side
194,145.21x = 35,801,887,042.84 - Step 5: Solve for x
x = 35,801,887,042.84/194,145.21 - Step 6: Final answer
x = 184,407.78
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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.