Finding the Fourth Proportional to 286,006.68, 394,660.08 and 165,186.54
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Solution
The fourth proportional to 286,006.68, 394,660.08 and 165,186.54 is: 227,940.60
Step by Step Solution
- Step 1: Write the proportion equation
286,006.68 : 394,660.08 = 165,186.54 : x - Step 2: Convert to fraction form
286,006.68/394,660.08 = 165,186.54/x - Step 3: Cross multiply
286,006.68x = 394,660.08 × 165,186.54 - Step 4: Simplify right side
286,006.68x = 65,192,533,091.32 - Step 5: Solve for x
x = 65,192,533,091.32/286,006.68 - Step 6: Final answer
x = 227,940.60
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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.