Finding the Fourth Proportional to 190,851.28, 263,373.42 and 105,968.68
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Solution
The fourth proportional to 190,851.28, 263,373.42 and 105,968.68 is: 146,236.03
Step by Step Solution
- Step 1: Write the proportion equation
190,851.28 : 263,373.42 = 105,968.68 : x - Step 2: Convert to fraction form
190,851.28/263,373.42 = 105,968.68/x - Step 3: Cross multiply
190,851.28x = 263,373.42 × 105,968.68 - Step 4: Simplify right side
190,851.28x = 27,909,333,664.49 - Step 5: Solve for x
x = 27,909,333,664.49/190,851.28 - Step 6: Final answer
x = 146,236.03
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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.