Finding the Fourth Proportional to 146,287.25, 201,819.26 and 85,023.26
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Solution
The fourth proportional to 146,287.25, 201,819.26 and 85,023.26 is: 117,298.88
Step by Step Solution
- Step 1: Write the proportion equation
146,287.25 : 201,819.26 = 85,023.26 : x - Step 2: Convert to fraction form
146,287.25/201,819.26 = 85,023.26/x - Step 3: Cross multiply
146,287.25x = 201,819.26 × 85,023.26 - Step 4: Simplify right side
146,287.25x = 17,159,330,990.87 - Step 5: Solve for x
x = 17,159,330,990.87/146,287.25 - Step 6: Final answer
x = 117,298.88
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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.