Finding the Fourth Proportional to 352,394.21, 486,052.81 and 323,415.92
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Solution
The fourth proportional to 352,394.21, 486,052.81 and 323,415.92 is: 446,083.42
Step by Step Solution
- Step 1: Write the proportion equation
352,394.21 : 486,052.81 = 323,415.92 : x - Step 2: Convert to fraction form
352,394.21/486,052.81 = 323,415.92/x - Step 3: Cross multiply
352,394.21x = 486,052.81 × 323,415.92 - Step 4: Simplify right side
352,394.21x = 157,197,217,121.33 - Step 5: Solve for x
x = 157,197,217,121.33/352,394.21 - Step 6: Final answer
x = 446,083.42
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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.