Finding the Fourth Proportional to 189,455.44, 261,448.53 and 104,572.52
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Solution
The fourth proportional to 189,455.44, 261,448.53 and 104,572.52 is: 144,310.09
Step by Step Solution
- Step 1: Write the proportion equation
189,455.44 : 261,448.53 = 104,572.52 : x - Step 2: Convert to fraction form
189,455.44/261,448.53 = 104,572.52/x - Step 3: Cross multiply
189,455.44x = 261,448.53 × 104,572.52 - Step 4: Simplify right side
189,455.44x = 27,340,331,893.87 - Step 5: Solve for x
x = 27,340,331,893.87/189,455.44 - Step 6: Final answer
x = 144,310.09
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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.