Finding the Fourth Proportional to 192,126.36, 288,189.09 and 106,791.45
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Solution
The fourth proportional to 192,126.36, 288,189.09 and 106,791.45 is: 160,186.92
Step by Step Solution
- Step 1: Write the proportion equation
192,126.36 : 288,189.09 = 106,791.45 : x - Step 2: Convert to fraction form
192,126.36/288,189.09 = 106,791.45/x - Step 3: Cross multiply
192,126.36x = 288,189.09 × 106,791.45 - Step 4: Simplify right side
192,126.36x = 30,776,130,795.28 - Step 5: Solve for x
x = 30,776,130,795.28/192,126.36 - Step 6: Final answer
x = 160,186.92
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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.