Finding the Fourth Proportional to 321,943.71, 444,192.30 and 201,207.65
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Solution
The fourth proportional to 321,943.71, 444,192.30 and 201,207.65 is: 277,610.29
Step by Step Solution
- Step 1: Write the proportion equation
321,943.71 : 444,192.30 = 201,207.65 : x - Step 2: Convert to fraction form
321,943.71/444,192.30 = 201,207.65/x - Step 3: Cross multiply
321,943.71x = 444,192.30 × 201,207.65 - Step 4: Simplify right side
321,943.71x = 89,374,886,610.13 - Step 5: Solve for x
x = 89,374,886,610.13/321,943.71 - Step 6: Final answer
x = 277,610.29
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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.