Finding the Fourth Proportional to 190,207.77, 262,494.64 and 105,324.84
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Solution
The fourth proportional to 190,207.77, 262,494.64 and 105,324.84 is: 145,352.65
Step by Step Solution
- Step 1: Write the proportion equation
190,207.77 : 262,494.64 = 105,324.84 : x - Step 2: Convert to fraction form
190,207.77/262,494.64 = 105,324.84/x - Step 3: Cross multiply
190,207.77x = 262,494.64 × 105,324.84 - Step 4: Simplify right side
190,207.77x = 27,647,204,383.07 - Step 5: Solve for x
x = 27,647,204,383.07/190,207.77 - Step 6: Final answer
x = 145,352.65
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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.