Finding the Fourth Proportional to 321,873.74, 444,165.10 and 201,007.84
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Solution
The fourth proportional to 321,873.74, 444,165.10 and 201,007.84 is: 277,377.92
Step by Step Solution
- Step 1: Write the proportion equation
321,873.74 : 444,165.10 = 201,007.84 : x - Step 2: Convert to fraction form
321,873.74/444,165.10 = 201,007.84/x - Step 3: Cross multiply
321,873.74x = 444,165.10 × 201,007.84 - Step 4: Simplify right side
321,873.74x = 89,280,667,354.38 - Step 5: Solve for x
x = 89,280,667,354.38/321,873.74 - Step 6: Final answer
x = 277,377.92
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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.