Finding the Fourth Proportional to 251,481.44, 347,037.44 and 138,304.28
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Solution
The fourth proportional to 251,481.44, 347,037.44 and 138,304.28 is: 190,856.09
Step by Step Solution
- Step 1: Write the proportion equation
251,481.44 : 347,037.44 = 138,304.28 : x - Step 2: Convert to fraction form
251,481.44/347,037.44 = 138,304.28/x - Step 3: Cross multiply
251,481.44x = 347,037.44 × 138,304.28 - Step 4: Simplify right side
251,481.44x = 47,996,763,272.24 - Step 5: Solve for x
x = 47,996,763,272.24/251,481.44 - Step 6: Final answer
x = 190,856.09
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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.