Finding the Fourth Proportional to 246,138.71, 369,208.06 and 77,676.08
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Solution
The fourth proportional to 246,138.71, 369,208.06 and 77,676.08 is: 116,514.11
Step by Step Solution
- Step 1: Write the proportion equation
246,138.71 : 369,208.06 = 77,676.08 : x - Step 2: Convert to fraction form
246,138.71/369,208.06 = 77,676.08/x - Step 3: Cross multiply
246,138.71x = 369,208.06 × 77,676.08 - Step 4: Simplify right side
246,138.71x = 28,678,632,764.97 - Step 5: Solve for x
x = 28,678,632,764.97/246,138.71 - Step 6: Final answer
x = 116,514.11
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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.