Finding the Fourth Proportional to 248,161.14, 372,126.99 and 79,650.42
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Solution
The fourth proportional to 248,161.14, 372,126.99 and 79,650.42 is: 119,438.81
Step by Step Solution
- Step 1: Write the proportion equation
248,161.14 : 372,126.99 = 79,650.42 : x - Step 2: Convert to fraction form
248,161.14/372,126.99 = 79,650.42/x - Step 3: Cross multiply
248,161.14x = 372,126.99 × 79,650.42 - Step 4: Simplify right side
248,161.14x = 29,640,071,046.84 - Step 5: Solve for x
x = 29,640,071,046.84/248,161.14 - Step 6: Final answer
x = 119,438.81
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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.