Finding the Fourth Proportional to 168,182.40, 252,268.13 and 68,313.05
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Solution
The fourth proportional to 168,182.40, 252,268.13 and 68,313.05 is: 102,467.35
Step by Step Solution
- Step 1: Write the proportion equation
168,182.40 : 252,268.13 = 68,313.05 : x - Step 2: Convert to fraction form
168,182.40/252,268.13 = 68,313.05/x - Step 3: Cross multiply
168,182.40x = 252,268.13 × 68,313.05 - Step 4: Simplify right side
168,182.40x = 17,233,204,287.54 - Step 5: Solve for x
x = 17,233,204,287.54/168,182.40 - Step 6: Final answer
x = 102,467.35
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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.