Finding the Fourth Proportional to 189,375.09, 261,343.05 and 104,497.62
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Solution
The fourth proportional to 189,375.09, 261,343.05 and 104,497.62 is: 144,209.71
Step by Step Solution
- Step 1: Write the proportion equation
189,375.09 : 261,343.05 = 104,497.62 : x - Step 2: Convert to fraction form
189,375.09/261,343.05 = 104,497.62/x - Step 3: Cross multiply
189,375.09x = 261,343.05 × 104,497.62 - Step 4: Simplify right side
189,375.09x = 27,309,726,728.54 - Step 5: Solve for x
x = 27,309,726,728.54/189,375.09 - Step 6: Final answer
x = 144,209.71
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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.