Finding the Fourth Proportional to 192,515.49, 265,662.60 and 106,475.25
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Solution
The fourth proportional to 192,515.49, 265,662.60 and 106,475.25 is: 146,930.99
Step by Step Solution
- Step 1: Write the proportion equation
192,515.49 : 265,662.60 = 106,475.25 : x - Step 2: Convert to fraction form
192,515.49/265,662.60 = 106,475.25/x - Step 3: Cross multiply
192,515.49x = 265,662.60 × 106,475.25 - Step 4: Simplify right side
192,515.49x = 28,286,491,750.65 - Step 5: Solve for x
x = 28,286,491,750.65/192,515.49 - Step 6: Final answer
x = 146,930.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.