Finding the Fourth Proportional to 192,126.44, 288,183.51 and 86,945.41
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Solution
The fourth proportional to 192,126.44, 288,183.51 and 86,945.41 is: 130,415.33
Step by Step Solution
- Step 1: Write the proportion equation
192,126.44 : 288,183.51 = 86,945.41 : x - Step 2: Convert to fraction form
192,126.44/288,183.51 = 86,945.41/x - Step 3: Cross multiply
192,126.44x = 288,183.51 × 86,945.41 - Step 4: Simplify right side
192,126.44x = 25,056,233,432.19 - Step 5: Solve for x
x = 25,056,233,432.19/192,126.44 - Step 6: Final answer
x = 130,415.33
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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.