Finding the Fourth Proportional to 321,772.67, 444,110.90 and 185,828.75
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Solution
The fourth proportional to 321,772.67, 444,110.90 and 185,828.75 is: 256,480.99
Step by Step Solution
- Step 1: Write the proportion equation
321,772.67 : 444,110.90 = 185,828.75 : x - Step 2: Convert to fraction form
321,772.67/444,110.90 = 185,828.75/x - Step 3: Cross multiply
321,772.67x = 444,110.90 × 185,828.75 - Step 4: Simplify right side
321,772.67x = 82,528,573,408.38 - Step 5: Solve for x
x = 82,528,573,408.38/321,772.67 - Step 6: Final answer
x = 256,480.99
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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.