Finding the Fourth Proportional to 189,536.36, 261,553.28 and 104,651.60
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Solution
The fourth proportional to 189,536.36, 261,553.28 and 104,651.60 is: 144,415.39
Step by Step Solution
- Step 1: Write the proportion equation
189,536.36 : 261,553.28 = 104,651.60 : x - Step 2: Convert to fraction form
189,536.36/261,553.28 = 104,651.60/x - Step 3: Cross multiply
189,536.36x = 261,553.28 × 104,651.60 - Step 4: Simplify right side
189,536.36x = 27,371,967,406.22 - Step 5: Solve for x
x = 27,371,967,406.22/189,536.36 - Step 6: Final answer
x = 144,415.39
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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.