Finding the Fourth Proportional to 189,203.68, 261,102.84 and 104,323.76
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Solution
The fourth proportional to 189,203.68, 261,102.84 and 104,323.76 is: 143,967.76
Step by Step Solution
- Step 1: Write the proportion equation
189,203.68 : 261,102.84 = 104,323.76 : x - Step 2: Convert to fraction form
189,203.68/261,102.84 = 104,323.76/x - Step 3: Cross multiply
189,203.68x = 261,102.84 × 104,323.76 - Step 4: Simplify right side
189,203.68x = 27,239,230,015.48 - Step 5: Solve for x
x = 27,239,230,015.48/189,203.68 - Step 6: Final answer
x = 143,967.76
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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.