Finding the Fourth Proportional to 366,385.13, 548,765.66 and 281,520.62
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Solution
The fourth proportional to 366,385.13, 548,765.66 and 281,520.62 is: 421,656.98
Step by Step Solution
- Step 1: Write the proportion equation
366,385.13 : 548,765.66 = 281,520.62 : x - Step 2: Convert to fraction form
366,385.13/548,765.66 = 281,520.62/x - Step 3: Cross multiply
366,385.13x = 548,765.66 × 281,520.62 - Step 4: Simplify right side
366,385.13x = 154,488,848,837.91 - Step 5: Solve for x
x = 154,488,848,837.91/366,385.13 - Step 6: Final answer
x = 421,656.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.