Finding the Fourth Proportional to 190,839.36, 263,190.96 and 163,807.68
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Solution
The fourth proportional to 190,839.36, 263,190.96 and 163,807.68 is: 225,910.95
Step by Step Solution
- Step 1: Write the proportion equation
190,839.36 : 263,190.96 = 163,807.68 : x - Step 2: Convert to fraction form
190,839.36/263,190.96 = 163,807.68/x - Step 3: Cross multiply
190,839.36x = 263,190.96 × 163,807.68 - Step 4: Simplify right side
190,839.36x = 43,112,700,554.57 - Step 5: Solve for x
x = 43,112,700,554.57/190,839.36 - Step 6: Final answer
x = 225,910.95
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1.5x scale
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.