Finding the Fourth Proportional to 263,880.75, 364,178.48 and 144,671.79
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Solution
The fourth proportional to 263,880.75, 364,178.48 and 144,671.79 is: 199,659.70
Step by Step Solution
- Step 1: Write the proportion equation
263,880.75 : 364,178.48 = 144,671.79 : x - Step 2: Convert to fraction form
263,880.75/364,178.48 = 144,671.79/x - Step 3: Cross multiply
263,880.75x = 364,178.48 × 144,671.79 - Step 4: Simplify right side
263,880.75x = 52,686,351,857.72 - Step 5: Solve for x
x = 52,686,351,857.72/263,880.75 - Step 6: Final answer
x = 199,659.70
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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.