Finding the Fourth Proportional to 381,379.96, 526,302.66 and 211,613.68
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Solution
The fourth proportional to 381,379.96, 526,302.66 and 211,613.68 is: 292,025.94
Step by Step Solution
- Step 1: Write the proportion equation
381,379.96 : 526,302.66 = 211,613.68 : x - Step 2: Convert to fraction form
381,379.96/526,302.66 = 211,613.68/x - Step 3: Cross multiply
381,379.96x = 526,302.66 × 211,613.68 - Step 4: Simplify right side
381,379.96x = 111,372,842,676.39 - Step 5: Solve for x
x = 111,372,842,676.39/381,379.96 - Step 6: Final answer
x = 292,025.94
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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.