Finding the Fourth Proportional to 213,328.60, 294,391.62 and 117,841.96
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Solution
The fourth proportional to 213,328.60, 294,391.62 and 117,841.96 is: 162,620.88
Step by Step Solution
- Step 1: Write the proportion equation
213,328.60 : 294,391.62 = 117,841.96 : x - Step 2: Convert to fraction form
213,328.60/294,391.62 = 117,841.96/x - Step 3: Cross multiply
213,328.60x = 294,391.62 × 117,841.96 - Step 4: Simplify right side
213,328.60x = 34,691,685,508.38 - Step 5: Solve for x
x = 34,691,685,508.38/213,328.60 - Step 6: Final answer
x = 162,620.88
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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.