Finding the Fourth Proportional to 213,418.05, 294,517.68 and 116,621.91
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Solution
The fourth proportional to 213,418.05, 294,517.68 and 116,621.91 is: 160,938.66
Step by Step Solution
- Step 1: Write the proportion equation
213,418.05 : 294,517.68 = 116,621.91 : x - Step 2: Convert to fraction form
213,418.05/294,517.68 = 116,621.91/x - Step 3: Cross multiply
213,418.05x = 294,517.68 × 116,621.91 - Step 4: Simplify right side
213,418.05x = 34,347,214,694.66 - Step 5: Solve for x
x = 34,347,214,694.66/213,418.05 - Step 6: Final answer
x = 160,938.66
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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.