Finding the Fourth Proportional to 197,268.36, 272,214.12 and 111,222.68
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Solution
The fourth proportional to 197,268.36, 272,214.12 and 111,222.68 is: 153,478.16
Step by Step Solution
- Step 1: Write the proportion equation
197,268.36 : 272,214.12 = 111,222.68 : x - Step 2: Convert to fraction form
197,268.36/272,214.12 = 111,222.68/x - Step 3: Cross multiply
197,268.36x = 272,214.12 × 111,222.68 - Step 4: Simplify right side
197,268.36x = 30,276,383,960.24 - Step 5: Solve for x
x = 30,276,383,960.24/197,268.36 - Step 6: Final answer
x = 153,478.16
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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.