Finding the Fourth Proportional to 382,351.36, 527,694.08 and 231,450.88
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Solution
The fourth proportional to 382,351.36, 527,694.08 and 231,450.88 is: 319,432.00
Step by Step Solution
- Step 1: Write the proportion equation
382,351.36 : 527,694.08 = 231,450.88 : x - Step 2: Convert to fraction form
382,351.36/527,694.08 = 231,450.88/x - Step 3: Cross multiply
382,351.36x = 527,694.08 × 231,450.88 - Step 4: Simplify right side
382,351.36x = 122,135,259,186.79 - Step 5: Solve for x
x = 122,135,259,186.79/382,351.36 - Step 6: Final answer
x = 319,432.00
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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.