Finding the Fourth Proportional to 189,354.36, 261,310.41 and 104,474.46
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Solution
The fourth proportional to 189,354.36, 261,310.41 and 104,474.46 is: 144,175.52
Step by Step Solution
- Step 1: Write the proportion equation
189,354.36 : 261,310.41 = 104,474.46 : x - Step 2: Convert to fraction form
189,354.36/261,310.41 = 104,474.46/x - Step 3: Cross multiply
189,354.36x = 261,310.41 × 104,474.46 - Step 4: Simplify right side
189,354.36x = 27,300,263,977.13 - Step 5: Solve for x
x = 27,300,263,977.13/189,354.36 - Step 6: Final answer
x = 144,175.52
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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.