Finding the Fourth Proportional to 275,137.76, 412,621.49 and 132,894.68
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Solution
The fourth proportional to 275,137.76, 412,621.49 and 132,894.68 is: 199,300.88
Step by Step Solution
- Step 1: Write the proportion equation
275,137.76 : 412,621.49 = 132,894.68 : x - Step 2: Convert to fraction form
275,137.76/412,621.49 = 132,894.68/x - Step 3: Cross multiply
275,137.76x = 412,621.49 × 132,894.68 - Step 4: Simplify right side
275,137.76x = 54,835,199,143.80 - Step 5: Solve for x
x = 54,835,199,143.80/275,137.76 - Step 6: Final answer
x = 199,300.88
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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.