Finding the Fourth Proportional to 189,026.26, 260,856.08 and 104,143.32
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Solution
The fourth proportional to 189,026.26, 260,856.08 and 104,143.32 is: 143,717.70
Step by Step Solution
- Step 1: Write the proportion equation
189,026.26 : 260,856.08 = 104,143.32 : x - Step 2: Convert to fraction form
189,026.26/260,856.08 = 104,143.32/x - Step 3: Cross multiply
189,026.26x = 260,856.08 × 104,143.32 - Step 4: Simplify right side
189,026.26x = 27,166,418,083.21 - Step 5: Solve for x
x = 27,166,418,083.21/189,026.26 - Step 6: Final answer
x = 143,717.70
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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.