Finding the Fourth Proportional to 395,738.21, 546,102.87 and 232,372.96
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Solution
The fourth proportional to 395,738.21, 546,102.87 and 232,372.96 is: 320,665.37
Step by Step Solution
- Step 1: Write the proportion equation
395,738.21 : 546,102.87 = 232,372.96 : x - Step 2: Convert to fraction form
395,738.21/546,102.87 = 232,372.96/x - Step 3: Cross multiply
395,738.21x = 546,102.87 × 232,372.96 - Step 4: Simplify right side
395,738.21x = 126,899,540,366.40 - Step 5: Solve for x
x = 126,899,540,366.40/395,738.21 - Step 6: Final answer
x = 320,665.37
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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.