Finding the Fourth Proportional to 246,138.62, 369,874.97 and 133,901.78
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Solution
The fourth proportional to 246,138.62, 369,874.97 and 133,901.78 is: 201,215.55
Step by Step Solution
- Step 1: Write the proportion equation
246,138.62 : 369,874.97 = 133,901.78 : x - Step 2: Convert to fraction form
246,138.62/369,874.97 = 133,901.78/x - Step 3: Cross multiply
246,138.62x = 369,874.97 × 133,901.78 - Step 4: Simplify right side
246,138.62x = 49,526,916,860.45 - Step 5: Solve for x
x = 49,526,916,860.45/246,138.62 - Step 6: Final answer
x = 201,215.55
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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.