Finding the Fourth Proportional to 189,454.88, 261,447.75 and 104,571.96
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Solution
The fourth proportional to 189,454.88, 261,447.75 and 104,571.96 is: 144,309.32
Step by Step Solution
- Step 1: Write the proportion equation
189,454.88 : 261,447.75 = 104,571.96 : x - Step 2: Convert to fraction form
189,454.88/261,447.75 = 104,571.96/x - Step 3: Cross multiply
189,454.88x = 261,447.75 × 104,571.96 - Step 4: Simplify right side
189,454.88x = 27,340,103,655.09 - Step 5: Solve for x
x = 27,340,103,655.09/189,454.88 - Step 6: Final answer
x = 144,309.32
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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.