Finding the Fourth Proportional to 254,469.60, 351,173.97 and 145,584.21
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Solution
The fourth proportional to 254,469.60, 351,173.97 and 145,584.21 is: 200,909.60
Step by Step Solution
- Step 1: Write the proportion equation
254,469.60 : 351,173.97 = 145,584.21 : x - Step 2: Convert to fraction form
254,469.60/351,173.97 = 145,584.21/x - Step 3: Cross multiply
254,469.60x = 351,173.97 × 145,584.21 - Step 4: Simplify right side
254,469.60x = 51,125,384,995.01 - Step 5: Solve for x
x = 51,125,384,995.01/254,469.60 - Step 6: Final answer
x = 200,909.60
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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.