Finding the Fourth Proportional to 262,794.40, 393,939.79 and 167,756.49
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Solution
The fourth proportional to 262,794.40, 393,939.79 and 167,756.49 is: 251,473.99
Step by Step Solution
- Step 1: Write the proportion equation
262,794.40 : 393,939.79 = 167,756.49 : x - Step 2: Convert to fraction form
262,794.40/393,939.79 = 167,756.49/x - Step 3: Cross multiply
262,794.40x = 393,939.79 × 167,756.49 - Step 4: Simplify right side
262,794.40x = 66,085,956,022.35 - Step 5: Solve for x
x = 66,085,956,022.35/262,794.40 - Step 6: Final answer
x = 251,473.99
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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.