Finding the Fourth Proportional to 235,107.75, 352,315.92 and 138,945.99
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Solution
The fourth proportional to 235,107.75, 352,315.92 and 138,945.99 is: 208,214.68
Step by Step Solution
- Step 1: Write the proportion equation
235,107.75 : 352,315.92 = 138,945.99 : x - Step 2: Convert to fraction form
235,107.75/352,315.92 = 138,945.99/x - Step 3: Cross multiply
235,107.75x = 352,315.92 × 138,945.99 - Step 4: Simplify right side
235,107.75x = 48,952,884,297.16 - Step 5: Solve for x
x = 48,952,884,297.16/235,107.75 - Step 6: Final answer
x = 208,214.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.