Finding the Fourth Proportional to 331,430.81, 496,760.51 and 189,375.58
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Solution
The fourth proportional to 331,430.81, 496,760.51 and 189,375.58 is: 283,842.99
Step by Step Solution
- Step 1: Write the proportion equation
331,430.81 : 496,760.51 = 189,375.58 : x - Step 2: Convert to fraction form
331,430.81/496,760.51 = 189,375.58/x - Step 3: Cross multiply
331,430.81x = 496,760.51 × 189,375.58 - Step 4: Simplify right side
331,430.81x = 94,074,310,796.74 - Step 5: Solve for x
x = 94,074,310,796.74/331,430.81 - Step 6: Final answer
x = 283,842.99
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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.