Finding the Fourth Proportional to 214,183.76, 295,530.92 and 129,305.44
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Solution
The fourth proportional to 214,183.76, 295,530.92 and 129,305.44 is: 178,415.75
Step by Step Solution
- Step 1: Write the proportion equation
214,183.76 : 295,530.92 = 129,305.44 : x - Step 2: Convert to fraction form
214,183.76/295,530.92 = 129,305.44/x - Step 3: Cross multiply
214,183.76x = 295,530.92 × 129,305.44 - Step 4: Simplify right side
214,183.76x = 38,213,755,644.20 - Step 5: Solve for x
x = 38,213,755,644.20/214,183.76 - Step 6: Final answer
x = 178,415.75
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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.