Finding the Fourth Proportional to 331,071.36, 456,846.84 and 185,843.88
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Solution
The fourth proportional to 331,071.36, 456,846.84 and 185,843.88 is: 256,446.80
Step by Step Solution
- Step 1: Write the proportion equation
331,071.36 : 456,846.84 = 185,843.88 : x - Step 2: Convert to fraction form
331,071.36/456,846.84 = 185,843.88/x - Step 3: Cross multiply
331,071.36x = 456,846.84 × 185,843.88 - Step 4: Simplify right side
331,071.36x = 84,902,189,311.34 - Step 5: Solve for x
x = 84,902,189,311.34/331,071.36 - Step 6: Final answer
x = 256,446.80
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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.