Finding the Fourth Proportional to 197,832.22, 273,007.47 and 107,187.55
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Solution
The fourth proportional to 197,832.22, 273,007.47 and 107,187.55 is: 147,918.28
Step by Step Solution
- Step 1: Write the proportion equation
197,832.22 : 273,007.47 = 107,187.55 : x - Step 2: Convert to fraction form
197,832.22/273,007.47 = 107,187.55/x - Step 3: Cross multiply
197,832.22x = 273,007.47 × 107,187.55 - Step 4: Simplify right side
197,832.22x = 29,263,001,841.00 - Step 5: Solve for x
x = 29,263,001,841.00/197,832.22 - Step 6: Final answer
x = 147,918.28
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1.5x scale
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.