Finding the Fourth Proportional to 352,645.07, 486,982.33 and 245,508.05
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Solution
The fourth proportional to 352,645.07, 486,982.33 and 245,508.05 is: 339,032.34
Step by Step Solution
- Step 1: Write the proportion equation
352,645.07 : 486,982.33 = 245,508.05 : x - Step 2: Convert to fraction form
352,645.07/486,982.33 = 245,508.05/x - Step 3: Cross multiply
352,645.07x = 486,982.33 × 245,508.05 - Step 4: Simplify right side
352,645.07x = 119,558,082,826.44 - Step 5: Solve for x
x = 119,558,082,826.44/352,645.07 - Step 6: Final answer
x = 339,032.34
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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.