Finding the Fourth Proportional to 239,916.34, 360,107.79 and 115,344.82
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Solution
The fourth proportional to 239,916.34, 360,107.79 and 115,344.82 is: 173,129.38
Step by Step Solution
- Step 1: Write the proportion equation
239,916.34 : 360,107.79 = 115,344.82 : x - Step 2: Convert to fraction form
239,916.34/360,107.79 = 115,344.82/x - Step 3: Cross multiply
239,916.34x = 360,107.79 × 115,344.82 - Step 4: Simplify right side
239,916.34x = 41,536,568,218.15 - Step 5: Solve for x
x = 41,536,568,218.15/239,916.34 - Step 6: Final answer
x = 173,129.38
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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.