Finding the Fourth Proportional to 322,418.73, 444,902.49 and 186,432.09
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Solution
The fourth proportional to 322,418.73, 444,902.49 and 186,432.09 is: 257,255.84
Step by Step Solution
- Step 1: Write the proportion equation
322,418.73 : 444,902.49 = 186,432.09 : x - Step 2: Convert to fraction form
322,418.73/444,902.49 = 186,432.09/x - Step 3: Cross multiply
322,418.73x = 444,902.49 × 186,432.09 - Step 4: Simplify right side
322,418.73x = 82,944,101,056.90 - Step 5: Solve for x
x = 82,944,101,056.90/322,418.73 - Step 6: Final answer
x = 257,255.84
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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.