Finding the Fourth Proportional to 307,861.44, 424,453.32 and 252,466.08
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Solution
The fourth proportional to 307,861.44, 424,453.32 and 252,466.08 is: 348,078.88
Step by Step Solution
- Step 1: Write the proportion equation
307,861.44 : 424,453.32 = 252,466.08 : x - Step 2: Convert to fraction form
307,861.44/424,453.32 = 252,466.08/x - Step 3: Cross multiply
307,861.44x = 424,453.32 × 252,466.08 - Step 4: Simplify right side
307,861.44x = 107,160,065,843.39 - Step 5: Solve for x
x = 107,160,065,843.39/307,861.44 - Step 6: Final answer
x = 348,078.88
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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.