Finding the Fourth Proportional to 321,867.74, 444,156.82 and 201,001.84
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Solution
The fourth proportional to 321,867.74, 444,156.82 and 201,001.84 is: 277,369.63
Step by Step Solution
- Step 1: Write the proportion equation
321,867.74 : 444,156.82 = 201,001.84 : x - Step 2: Convert to fraction form
321,867.74/444,156.82 = 201,001.84/x - Step 3: Cross multiply
321,867.74x = 444,156.82 × 201,001.84 - Step 4: Simplify right side
321,867.74x = 89,276,336,455.65 - Step 5: Solve for x
x = 89,276,336,455.65/321,867.74 - Step 6: Final answer
x = 277,369.63
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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.