Finding the Fourth Proportional to 215,389.09, 323,083.73 and 96,922.05
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Solution
The fourth proportional to 215,389.09, 323,083.73 and 96,922.05 is: 145,383.12
Step by Step Solution
- Step 1: Write the proportion equation
215,389.09 : 323,083.73 = 96,922.05 : x - Step 2: Convert to fraction form
215,389.09/323,083.73 = 96,922.05/x - Step 3: Cross multiply
215,389.09x = 323,083.73 × 96,922.05 - Step 4: Simplify right side
215,389.09x = 31,313,937,433.25 - Step 5: Solve for x
x = 31,313,937,433.25/215,389.09 - Step 6: Final answer
x = 145,383.12
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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.