Finding the Fourth Proportional to 358,660.86, 494,953.47 and 205,704.96
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Solution
The fourth proportional to 358,660.86, 494,953.47 and 205,704.96 is: 283,873.70
Step by Step Solution
- Step 1: Write the proportion equation
358,660.86 : 494,953.47 = 205,704.96 : x - Step 2: Convert to fraction form
358,660.86/494,953.47 = 205,704.96/x - Step 3: Cross multiply
358,660.86x = 494,953.47 × 205,704.96 - Step 4: Simplify right side
358,660.86x = 101,814,383,748.21 - Step 5: Solve for x
x = 101,814,383,748.21/358,660.86 - Step 6: Final answer
x = 283,873.70
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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.