Finding the Fourth Proportional to 446,321.28, 615,934.08 and 245,121.60
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Solution
The fourth proportional to 446,321.28, 615,934.08 and 245,121.60 is: 338,273.69
Step by Step Solution
- Step 1: Write the proportion equation
446,321.28 : 615,934.08 = 245,121.60 : x - Step 2: Convert to fraction form
446,321.28/615,934.08 = 245,121.60/x - Step 3: Cross multiply
446,321.28x = 615,934.08 × 245,121.60 - Step 4: Simplify right side
446,321.28x = 150,978,747,184.13 - Step 5: Solve for x
x = 150,978,747,184.13/446,321.28 - Step 6: Final answer
x = 338,273.69
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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.