Finding the Fourth Proportional to 401,052.60, 601,556.76 and 134,785.62
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Solution
The fourth proportional to 401,052.60, 601,556.76 and 134,785.62 is: 202,170.99
Step by Step Solution
- Step 1: Write the proportion equation
401,052.60 : 601,556.76 = 134,785.62 : x - Step 2: Convert to fraction form
401,052.60/601,556.76 = 134,785.62/x - Step 3: Cross multiply
401,052.60x = 601,556.76 × 134,785.62 - Step 4: Simplify right side
401,052.60x = 81,081,200,861.79 - Step 5: Solve for x
x = 81,081,200,861.79/401,052.60 - Step 6: Final answer
x = 202,170.99
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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.