Finding the Fourth Proportional to 189,323.68, 261,220.08 and 115,717.48
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Solution
The fourth proportional to 189,323.68, 261,220.08 and 115,717.48 is: 159,661.64
Step by Step Solution
- Step 1: Write the proportion equation
189,323.68 : 261,220.08 = 115,717.48 : x - Step 2: Convert to fraction form
189,323.68/261,220.08 = 115,717.48/x - Step 3: Cross multiply
189,323.68x = 261,220.08 × 115,717.48 - Step 4: Simplify right side
189,323.68x = 30,227,729,383.00 - Step 5: Solve for x
x = 30,227,729,383.00/189,323.68 - Step 6: Final answer
x = 159,661.64
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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.