Finding the Fourth Proportional to 395,475.96, 545,754.11 and 214,183.75
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Solution
The fourth proportional to 395,475.96, 545,754.11 and 214,183.75 is: 295,572.11
Step by Step Solution
- Step 1: Write the proportion equation
395,475.96 : 545,754.11 = 214,183.75 : x - Step 2: Convert to fraction form
395,475.96/545,754.11 = 214,183.75/x - Step 3: Cross multiply
395,475.96x = 545,754.11 × 214,183.75 - Step 4: Simplify right side
395,475.96x = 116,891,662,393.17 - Step 5: Solve for x
x = 116,891,662,393.17/395,475.96 - Step 6: Final answer
x = 295,572.11
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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.