Finding the Fourth Proportional to 494,319.56, 682,183.76 and 279,468.68
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Solution
The fourth proportional to 494,319.56, 682,183.76 and 279,468.68 is: 385,679.65
Step by Step Solution
- Step 1: Write the proportion equation
494,319.56 : 682,183.76 = 279,468.68 : x - Step 2: Convert to fraction form
494,319.56/682,183.76 = 279,468.68/x - Step 3: Cross multiply
494,319.56x = 682,183.76 × 279,468.68 - Step 4: Simplify right side
494,319.56x = 190,648,994,924.64 - Step 5: Solve for x
x = 190,648,994,924.64/494,319.56 - Step 6: Final answer
x = 385,679.65
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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.