Finding the Fourth Proportional to 326,000.22, 449,489.36 and 211,236.99
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Solution
The fourth proportional to 326,000.22, 449,489.36 and 211,236.99 is: 291,253.73
Step by Step Solution
- Step 1: Write the proportion equation
326,000.22 : 449,489.36 = 211,236.99 : x - Step 2: Convert to fraction form
326,000.22/449,489.36 = 211,236.99/x - Step 3: Cross multiply
326,000.22x = 449,489.36 × 211,236.99 - Step 4: Simplify right side
326,000.22x = 94,948,779,443.43 - Step 5: Solve for x
x = 94,948,779,443.43/326,000.22 - Step 6: Final answer
x = 291,253.73
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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.