Finding the Fourth Proportional to 327,121.56, 490,682.16 and 102,499.65
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Solution
The fourth proportional to 327,121.56, 490,682.16 and 102,499.65 is: 153,749.42
Step by Step Solution
- Step 1: Write the proportion equation
327,121.56 : 490,682.16 = 102,499.65 : x - Step 2: Convert to fraction form
327,121.56/490,682.16 = 102,499.65/x - Step 3: Cross multiply
327,121.56x = 490,682.16 × 102,499.65 - Step 4: Simplify right side
327,121.56x = 50,294,749,661.24 - Step 5: Solve for x
x = 50,294,749,661.24/327,121.56 - Step 6: Final answer
x = 153,749.42
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1.5x scale
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.