Finding the Fourth Proportional to 190,958.84, 263,515.83 and 106,081.28
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Solution
The fourth proportional to 190,958.84, 263,515.83 and 106,081.28 is: 146,388.07
Step by Step Solution
- Step 1: Write the proportion equation
190,958.84 : 263,515.83 = 106,081.28 : x - Step 2: Convert to fraction form
190,958.84/263,515.83 = 106,081.28/x - Step 3: Cross multiply
190,958.84x = 263,515.83 × 106,081.28 - Step 4: Simplify right side
190,958.84x = 27,954,096,546.66 - Step 5: Solve for x
x = 27,954,096,546.66/190,958.84 - Step 6: Final answer
x = 146,388.07
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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.