Finding the Fourth Proportional to 189,081.56, 260,938.02 and 104,204.09
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Solution
The fourth proportional to 189,081.56, 260,938.02 and 104,204.09 is: 143,804.66
Step by Step Solution
- Step 1: Write the proportion equation
189,081.56 : 260,938.02 = 104,204.09 : x - Step 2: Convert to fraction form
189,081.56/260,938.02 = 104,204.09/x - Step 3: Cross multiply
189,081.56x = 260,938.02 × 104,204.09 - Step 4: Simplify right side
189,081.56x = 27,190,809,963.61 - Step 5: Solve for x
x = 27,190,809,963.61/189,081.56 - Step 6: Final answer
x = 143,804.66
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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.