Finding the Fourth Proportional to 263,283.82, 394,925.42 and 105,622.99
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Solution
The fourth proportional to 263,283.82, 394,925.42 and 105,622.99 is: 158,434.36
Step by Step Solution
- Step 1: Write the proportion equation
263,283.82 : 394,925.42 = 105,622.99 : x - Step 2: Convert to fraction form
263,283.82/394,925.42 = 105,622.99/x - Step 3: Cross multiply
263,283.82x = 394,925.42 × 105,622.99 - Step 4: Simplify right side
263,283.82x = 41,713,202,964.15 - Step 5: Solve for x
x = 41,713,202,964.15/263,283.82 - Step 6: Final answer
x = 158,434.36
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1.5x scale
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.