Finding the Fourth Proportional to 298,805.49, 412,351.58 and 164,669.49
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Solution
The fourth proportional to 298,805.49, 412,351.58 and 164,669.49 is: 227,243.90
Step by Step Solution
- Step 1: Write the proportion equation
298,805.49 : 412,351.58 = 164,669.49 : x - Step 2: Convert to fraction form
298,805.49/412,351.58 = 164,669.49/x - Step 3: Cross multiply
298,805.49x = 412,351.58 × 164,669.49 - Step 4: Simplify right side
298,805.49x = 67,901,724,790.97 - Step 5: Solve for x
x = 67,901,724,790.97/298,805.49 - Step 6: Final answer
x = 227,243.90
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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.