Finding the Fourth Proportional to 216,583.49, 298,922.16 and 125,992.03
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Solution
The fourth proportional to 216,583.49, 298,922.16 and 125,992.03 is: 173,890.49
Step by Step Solution
- Step 1: Write the proportion equation
216,583.49 : 298,922.16 = 125,992.03 : x - Step 2: Convert to fraction form
216,583.49/298,922.16 = 125,992.03/x - Step 3: Cross multiply
216,583.49x = 298,922.16 × 125,992.03 - Step 4: Simplify right side
216,583.49x = 37,661,809,750.38 - Step 5: Solve for x
x = 37,661,809,750.38/216,583.49 - Step 6: Final answer
x = 173,890.49
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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.