Finding the Fourth Proportional to 251,231.10, 346,694.97 and 138,051.42
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Solution
The fourth proportional to 251,231.10, 346,694.97 and 138,051.42 is: 190,508.79
Step by Step Solution
- Step 1: Write the proportion equation
251,231.10 : 346,694.97 = 138,051.42 : x - Step 2: Convert to fraction form
251,231.10/346,694.97 = 138,051.42/x - Step 3: Cross multiply
251,231.10x = 346,694.97 × 138,051.42 - Step 4: Simplify right side
251,231.10x = 47,861,732,915.36 - Step 5: Solve for x
x = 47,861,732,915.36/251,231.10 - Step 6: Final answer
x = 190,508.79
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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.