Finding the Fourth Proportional to 197,107.39, 295,871.55 and 84,843.19
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Solution
The fourth proportional to 197,107.39, 295,871.55 and 84,843.19 is: 127,355.38
Step by Step Solution
- Step 1: Write the proportion equation
197,107.39 : 295,871.55 = 84,843.19 : x - Step 2: Convert to fraction form
197,107.39/295,871.55 = 84,843.19/x - Step 3: Cross multiply
197,107.39x = 295,871.55 × 84,843.19 - Step 4: Simplify right side
197,107.39x = 25,102,686,132.24 - Step 5: Solve for x
x = 25,102,686,132.24/197,107.39 - Step 6: Final answer
x = 127,355.38
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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.