Finding the Fourth Proportional to 321,909.09, 481,924.26 and 241,213.79
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Solution
The fourth proportional to 321,909.09, 481,924.26 and 241,213.79 is: 361,116.78
Step by Step Solution
- Step 1: Write the proportion equation
321,909.09 : 481,924.26 = 241,213.79 : x - Step 2: Convert to fraction form
321,909.09/481,924.26 = 241,213.79/x - Step 3: Cross multiply
321,909.09x = 481,924.26 × 241,213.79 - Step 4: Simplify right side
321,909.09x = 116,246,774,837.92 - Step 5: Solve for x
x = 116,246,774,837.92/321,909.09 - Step 6: Final answer
x = 361,116.78
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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.