Finding the Fourth Proportional to 127,984.92, 192,007.68 and 57,864.12
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Solution
The fourth proportional to 127,984.92, 192,007.68 and 57,864.12 is: 86,809.88
Step by Step Solution
- Step 1: Write the proportion equation
127,984.92 : 192,007.68 = 57,864.12 : x - Step 2: Convert to fraction form
127,984.92/192,007.68 = 57,864.12/x - Step 3: Cross multiply
127,984.92x = 192,007.68 × 57,864.12 - Step 4: Simplify right side
127,984.92x = 11,110,355,436.44 - Step 5: Solve for x
x = 11,110,355,436.44/127,984.92 - Step 6: Final answer
x = 86,809.88
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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.