Finding the Fourth Proportional to 292,481.28, 403,418.88 and 201,873.60
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Solution
The fourth proportional to 292,481.28, 403,418.88 and 201,873.60 is: 278,443.88
Step by Step Solution
- Step 1: Write the proportion equation
292,481.28 : 403,418.88 = 201,873.60 : x - Step 2: Convert to fraction form
292,481.28/403,418.88 = 201,873.60/x - Step 3: Cross multiply
292,481.28x = 403,418.88 × 201,873.60 - Step 4: Simplify right side
292,481.28x = 81,439,621,613.57 - Step 5: Solve for x
x = 81,439,621,613.57/292,481.28 - Step 6: Final answer
x = 278,443.88
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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.