Finding the Fourth Proportional to 189,104.24, 260,963.31 and 104,221.28
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Solution
The fourth proportional to 189,104.24, 260,963.31 and 104,221.28 is: 143,825.07
Step by Step Solution
- Step 1: Write the proportion equation
189,104.24 : 260,963.31 = 104,221.28 : x - Step 2: Convert to fraction form
189,104.24/260,963.31 = 104,221.28/x - Step 3: Cross multiply
189,104.24x = 260,963.31 × 104,221.28 - Step 4: Simplify right side
189,104.24x = 27,197,930,201.24 - Step 5: Solve for x
x = 27,197,930,201.24/189,104.24 - Step 6: Final answer
x = 143,825.07
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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.