Finding the Fourth Proportional to 411,729.48, 568,185.84 and 230,440.68
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Solution
The fourth proportional to 411,729.48, 568,185.84 and 230,440.68 is: 318,007.67
Step by Step Solution
- Step 1: Write the proportion equation
411,729.48 : 568,185.84 = 230,440.68 : x - Step 2: Convert to fraction form
411,729.48/568,185.84 = 230,440.68/x - Step 3: Cross multiply
411,729.48x = 568,185.84 × 230,440.68 - Step 4: Simplify right side
411,729.48x = 130,933,131,335.97 - Step 5: Solve for x
x = 130,933,131,335.97/411,729.48 - Step 6: Final answer
x = 318,007.67
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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.