Finding the Fourth Proportional to 451,642.20, 677,725.74 and 202,324.20
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Solution
The fourth proportional to 451,642.20, 677,725.74 and 202,324.20 is: 303,603.87
Step by Step Solution
- Step 1: Write the proportion equation
451,642.20 : 677,725.74 = 202,324.20 : x - Step 2: Convert to fraction form
451,642.20/677,725.74 = 202,324.20/x - Step 3: Cross multiply
451,642.20x = 677,725.74 × 202,324.20 - Step 4: Simplify right side
451,642.20x = 137,120,318,164.91 - Step 5: Solve for x
x = 137,120,318,164.91/451,642.20 - Step 6: Final answer
x = 303,603.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.