Finding the Fourth Proportional to 349,104.13, 481,764.11 and 196,142.31
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Solution
The fourth proportional to 349,104.13, 481,764.11 and 196,142.31 is: 270,676.62
Step by Step Solution
- Step 1: Write the proportion equation
349,104.13 : 481,764.11 = 196,142.31 : x - Step 2: Convert to fraction form
349,104.13/481,764.11 = 196,142.31/x - Step 3: Cross multiply
349,104.13x = 481,764.11 × 196,142.31 - Step 4: Simplify right side
349,104.13x = 94,494,324,429.78 - Step 5: Solve for x
x = 94,494,324,429.78/349,104.13 - Step 6: Final answer
x = 270,676.62
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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.