Finding the Fourth Proportional to 211,916.96, 292,450.68 and 116,429.84
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Solution
The fourth proportional to 211,916.96, 292,450.68 and 116,429.84 is: 160,676.08
Step by Step Solution
- Step 1: Write the proportion equation
211,916.96 : 292,450.68 = 116,429.84 : x - Step 2: Convert to fraction form
211,916.96/292,450.68 = 116,429.84/x - Step 3: Cross multiply
211,916.96x = 292,450.68 × 116,429.84 - Step 4: Simplify right side
211,916.96x = 34,049,985,880.29 - Step 5: Solve for x
x = 34,049,985,880.29/211,916.96 - Step 6: Final answer
x = 160,676.08
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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.