Finding the Fourth Proportional to 382,906.54, 528,402.26 and 239,745.52
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Solution
The fourth proportional to 382,906.54, 528,402.26 and 239,745.52 is: 330,843.33
Step by Step Solution
- Step 1: Write the proportion equation
382,906.54 : 528,402.26 = 239,745.52 : x - Step 2: Convert to fraction form
382,906.54/528,402.26 = 239,745.52/x - Step 3: Cross multiply
382,906.54x = 528,402.26 × 239,745.52 - Step 4: Simplify right side
382,906.54x = 126,682,073,871.23 - Step 5: Solve for x
x = 126,682,073,871.23/382,906.54 - Step 6: Final answer
x = 330,843.33
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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.