Finding the Fourth Proportional to 168,310.63, 252,247.74 and 68,353.75
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Solution
The fourth proportional to 168,310.63, 252,247.74 and 68,353.75 is: 102,442.01
Step by Step Solution
- Step 1: Write the proportion equation
168,310.63 : 252,247.74 = 68,353.75 : x - Step 2: Convert to fraction form
168,310.63/252,247.74 = 68,353.75/x - Step 3: Cross multiply
168,310.63x = 252,247.74 × 68,353.75 - Step 4: Simplify right side
168,310.63x = 17,242,078,958.03 - Step 5: Solve for x
x = 17,242,078,958.03/168,310.63 - Step 6: Final answer
x = 102,442.01
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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.