Finding the Fourth Proportional to 440,747.28, 608,224.68 and 259,480.08
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Solution
The fourth proportional to 440,747.28, 608,224.68 and 259,480.08 is: 358,078.64
Step by Step Solution
- Step 1: Write the proportion equation
440,747.28 : 608,224.68 = 259,480.08 : x - Step 2: Convert to fraction form
440,747.28/608,224.68 = 259,480.08/x - Step 3: Cross multiply
440,747.28x = 608,224.68 × 259,480.08 - Step 4: Simplify right side
440,747.28x = 157,822,188,624.37 - Step 5: Solve for x
x = 157,822,188,624.37/440,747.28 - Step 6: Final answer
x = 358,078.64
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1.5x scale
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.