Finding the Fourth Proportional to 351,760.91, 528,347.44 and 209,883.06
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Solution
The fourth proportional to 351,760.91, 528,347.44 and 209,883.06 is: 315,245.88
Step by Step Solution
- Step 1: Write the proportion equation
351,760.91 : 528,347.44 = 209,883.06 : x - Step 2: Convert to fraction form
351,760.91/528,347.44 = 209,883.06/x - Step 3: Cross multiply
351,760.91x = 528,347.44 × 209,883.06 - Step 4: Simplify right side
351,760.91x = 110,891,177,450.37 - Step 5: Solve for x
x = 110,891,177,450.37/351,760.91 - Step 6: Final answer
x = 315,245.88
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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.