Finding the Fourth Proportional to 189,102.73, 260,961.24 and 104,219.77
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Solution
The fourth proportional to 189,102.73, 260,961.24 and 104,219.77 is: 143,822.99
Step by Step Solution
- Step 1: Write the proportion equation
189,102.73 : 260,961.24 = 104,219.77 : x - Step 2: Convert to fraction form
189,102.73/260,961.24 = 104,219.77/x - Step 3: Cross multiply
189,102.73x = 260,961.24 × 104,219.77 - Step 4: Simplify right side
189,102.73x = 27,197,320,411.71 - Step 5: Solve for x
x = 27,197,320,411.71/189,102.73 - Step 6: Final answer
x = 143,822.99
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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.