Finding the Fourth Proportional to 254,880.28, 351,743.62 and 140,163.62
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Solution
The fourth proportional to 254,880.28, 351,743.62 and 140,163.62 is: 193,430.65
Step by Step Solution
- Step 1: Write the proportion equation
254,880.28 : 351,743.62 = 140,163.62 : x - Step 2: Convert to fraction form
254,880.28/351,743.62 = 140,163.62/x - Step 3: Cross multiply
254,880.28x = 351,743.62 × 140,163.62 - Step 4: Simplify right side
254,880.28x = 49,301,659,091.10 - Step 5: Solve for x
x = 49,301,659,091.10/254,880.28 - Step 6: Final answer
x = 193,430.65
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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.