Finding the Fourth Proportional to 189,354.52, 261,310.08 and 104,474.08
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Solution
The fourth proportional to 189,354.52, 261,310.08 and 104,474.08 is: 144,174.70
Step by Step Solution
- Step 1: Write the proportion equation
189,354.52 : 261,310.08 = 104,474.08 : x - Step 2: Convert to fraction form
189,354.52/261,310.08 = 104,474.08/x - Step 3: Cross multiply
189,354.52x = 261,310.08 × 104,474.08 - Step 4: Simplify right side
189,354.52x = 27,300,130,202.73 - Step 5: Solve for x
x = 27,300,130,202.73/189,354.52 - Step 6: Final answer
x = 144,174.70
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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.