Finding the Fourth Proportional to 356,435.09, 491,861.62 and 203,467.20
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Solution
The fourth proportional to 356,435.09, 491,861.62 and 203,467.20 is: 280,774.00
Step by Step Solution
- Step 1: Write the proportion equation
356,435.09 : 491,861.62 = 203,467.20 : x - Step 2: Convert to fraction form
356,435.09/491,861.62 = 203,467.20/x - Step 3: Cross multiply
356,435.09x = 491,861.62 × 203,467.20 - Step 4: Simplify right side
356,435.09x = 100,077,707,213.19 - Step 5: Solve for x
x = 100,077,707,213.19/356,435.09 - Step 6: Final answer
x = 280,774.00
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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.