Finding the Fourth Proportional to 192,890.90, 266,183.42 and 106,846.44
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Solution
The fourth proportional to 192,890.90, 266,183.42 and 106,846.44 is: 147,444.75
Step by Step Solution
- Step 1: Write the proportion equation
192,890.90 : 266,183.42 = 106,846.44 : x - Step 2: Convert to fraction form
192,890.90/266,183.42 = 106,846.44/x - Step 3: Cross multiply
192,890.90x = 266,183.42 × 106,846.44 - Step 4: Simplify right side
192,890.90x = 28,440,750,814.02 - Step 5: Solve for x
x = 28,440,750,814.02/192,890.90 - Step 6: Final answer
x = 147,444.75
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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.