Finding the Fourth Proportional to 296,004.99, 408,480.80 and 161,868.99
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Solution
The fourth proportional to 296,004.99, 408,480.80 and 161,868.99 is: 223,375.88
Step by Step Solution
- Step 1: Write the proportion equation
296,004.99 : 408,480.80 = 161,868.99 : x - Step 2: Convert to fraction form
296,004.99/408,480.80 = 161,868.99/x - Step 3: Cross multiply
296,004.99x = 408,480.80 × 161,868.99 - Step 4: Simplify right side
296,004.99x = 66,120,373,721.05 - Step 5: Solve for x
x = 66,120,373,721.05/296,004.99 - Step 6: Final answer
x = 223,375.88
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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.