Finding the Fourth Proportional to 322,861.44, 445,768.32 and 202,051.68
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Solution
The fourth proportional to 322,861.44, 445,768.32 and 202,051.68 is: 278,968.71
Step by Step Solution
- Step 1: Write the proportion equation
322,861.44 : 445,768.32 = 202,051.68 : x - Step 2: Convert to fraction form
322,861.44/445,768.32 = 202,051.68/x - Step 3: Cross multiply
322,861.44x = 445,768.32 × 202,051.68 - Step 4: Simplify right side
322,861.44x = 90,068,237,946.78 - Step 5: Solve for x
x = 90,068,237,946.78/322,861.44 - Step 6: Final answer
x = 278,968.71
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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.