Finding the Fourth Proportional to 285,613.05, 394,132.22 and 164,793.30
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Solution
The fourth proportional to 285,613.05, 394,132.22 and 164,793.30 is: 227,406.80
Step by Step Solution
- Step 1: Write the proportion equation
285,613.05 : 394,132.22 = 164,793.30 : x - Step 2: Convert to fraction form
285,613.05/394,132.22 = 164,793.30/x - Step 3: Cross multiply
285,613.05x = 394,132.22 × 164,793.30 - Step 4: Simplify right side
285,613.05x = 64,950,349,170.13 - Step 5: Solve for x
x = 64,950,349,170.13/285,613.05 - Step 6: Final answer
x = 227,406.80
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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.