Finding the Fourth Proportional to 190,564.44, 262,969.92 and 105,679.68
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Solution
The fourth proportional to 190,564.44, 262,969.92 and 105,679.68 is: 145,832.96
Step by Step Solution
- Step 1: Write the proportion equation
190,564.44 : 262,969.92 = 105,679.68 : x - Step 2: Convert to fraction form
190,564.44/262,969.92 = 105,679.68/x - Step 3: Cross multiply
190,564.44x = 262,969.92 × 105,679.68 - Step 4: Simplify right side
190,564.44x = 27,790,576,995.23 - Step 5: Solve for x
x = 27,790,576,995.23/190,564.44 - Step 6: Final answer
x = 145,832.96
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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.