Finding the Fourth Proportional to 201,469.20, 278,027.67 and 110,832.09
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Solution
The fourth proportional to 201,469.20, 278,027.67 and 110,832.09 is: 152,948.38
Step by Step Solution
- Step 1: Write the proportion equation
201,469.20 : 278,027.67 = 110,832.09 : x - Step 2: Convert to fraction form
201,469.20/278,027.67 = 110,832.09/x - Step 3: Cross multiply
201,469.20x = 278,027.67 × 110,832.09 - Step 4: Simplify right side
201,469.20x = 30,814,387,743.93 - Step 5: Solve for x
x = 30,814,387,743.93/201,469.20 - Step 6: Final answer
x = 152,948.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.