Finding the Fourth Proportional to 499,380.12, 689,147.46 and 273,025.62
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Solution
The fourth proportional to 499,380.12, 689,147.46 and 273,025.62 is: 376,776.94
Step by Step Solution
- Step 1: Write the proportion equation
499,380.12 : 689,147.46 = 273,025.62 : x - Step 2: Convert to fraction form
499,380.12/689,147.46 = 273,025.62/x - Step 3: Cross multiply
499,380.12x = 689,147.46 × 273,025.62 - Step 4: Simplify right side
499,380.12x = 188,154,912,537.93 - Step 5: Solve for x
x = 188,154,912,537.93/499,380.12 - Step 6: Final answer
x = 376,776.94
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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.