Finding the Fourth Proportional to 136,744.18, 204,441.92 and 115,916.64
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Solution
The fourth proportional to 136,744.18, 204,441.92 and 115,916.64 is: 173,303.32
Step by Step Solution
- Step 1: Write the proportion equation
136,744.18 : 204,441.92 = 115,916.64 : x - Step 2: Convert to fraction form
136,744.18/204,441.92 = 115,916.64/x - Step 3: Cross multiply
136,744.18x = 204,441.92 × 115,916.64 - Step 4: Simplify right side
136,744.18x = 23,698,220,441.55 - Step 5: Solve for x
x = 23,698,220,441.55/136,744.18 - Step 6: Final answer
x = 173,303.32
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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.