Finding the Fourth Proportional to 275,138.76, 412,622.99 and 132,895.68
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Solution
The fourth proportional to 275,138.76, 412,622.99 and 132,895.68 is: 199,302.39
Step by Step Solution
- Step 1: Write the proportion equation
275,138.76 : 412,622.99 = 132,895.68 : x - Step 2: Convert to fraction form
275,138.76/412,622.99 = 132,895.68/x - Step 3: Cross multiply
275,138.76x = 412,622.99 × 132,895.68 - Step 4: Simplify right side
275,138.76x = 54,835,812,839.68 - Step 5: Solve for x
x = 54,835,812,839.68/275,138.76 - Step 6: Final answer
x = 199,302.39
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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.