Finding the Fourth Proportional to 189,375.10, 261,343.07 and 104,497.63
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Solution
The fourth proportional to 189,375.10, 261,343.07 and 104,497.63 is: 144,209.73
Step by Step Solution
- Step 1: Write the proportion equation
189,375.10 : 261,343.07 = 104,497.63 : x - Step 2: Convert to fraction form
189,375.10/261,343.07 = 104,497.63/x - Step 3: Cross multiply
189,375.10x = 261,343.07 × 104,497.63 - Step 4: Simplify right side
189,375.10x = 27,309,731,431.92 - Step 5: Solve for x
x = 27,309,731,431.92/189,375.10 - Step 6: Final answer
x = 144,209.73
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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.