Finding the Fourth Proportional to 189,589.96, 261,635.70 and 104,708.44
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Solution
The fourth proportional to 189,589.96, 261,635.70 and 104,708.44 is: 144,498.51
Step by Step Solution
- Step 1: Write the proportion equation
189,589.96 : 261,635.70 = 104,708.44 : x - Step 2: Convert to fraction form
189,589.96/261,635.70 = 104,708.44/x - Step 3: Cross multiply
189,589.96x = 261,635.70 × 104,708.44 - Step 4: Simplify right side
189,589.96x = 27,395,465,995.31 - Step 5: Solve for x
x = 27,395,465,995.31/189,589.96 - Step 6: Final answer
x = 144,498.51
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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.