Finding the Fourth Proportional to 216,283.21, 298,469.84 and 119,487.11
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Solution
The fourth proportional to 216,283.21, 298,469.84 and 119,487.11 is: 164,891.66
Step by Step Solution
- Step 1: Write the proportion equation
216,283.21 : 298,469.84 = 119,487.11 : x - Step 2: Convert to fraction form
216,283.21/298,469.84 = 119,487.11/x - Step 3: Cross multiply
216,283.21x = 298,469.84 × 119,487.11 - Step 4: Simplify right side
216,283.21x = 35,663,296,513.98 - Step 5: Solve for x
x = 35,663,296,513.98/216,283.21 - Step 6: Final answer
x = 164,891.66
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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.