Finding the Fourth Proportional to 195,942.13, 294,044.11 and 71,283.13
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Solution
The fourth proportional to 195,942.13, 294,044.11 and 71,283.13 is: 106,972.32
Step by Step Solution
- Step 1: Write the proportion equation
195,942.13 : 294,044.11 = 71,283.13 : x - Step 2: Convert to fraction form
195,942.13/294,044.11 = 71,283.13/x - Step 3: Cross multiply
195,942.13x = 294,044.11 × 71,283.13 - Step 4: Simplify right side
195,942.13x = 20,960,383,605.55 - Step 5: Solve for x
x = 20,960,383,605.55/195,942.13 - Step 6: Final answer
x = 106,972.32
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1.5x scale
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.