Finding the Fourth Proportional to 254,257.75, 381,238.95 and 96,400.09
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Solution
The fourth proportional to 254,257.75, 381,238.95 and 96,400.09 is: 144,544.15
Step by Step Solution
- Step 1: Write the proportion equation
254,257.75 : 381,238.95 = 96,400.09 : x - Step 2: Convert to fraction form
254,257.75/381,238.95 = 96,400.09/x - Step 3: Cross multiply
254,257.75x = 381,238.95 × 96,400.09 - Step 4: Simplify right side
254,257.75x = 36,751,469,091.51 - Step 5: Solve for x
x = 36,751,469,091.51/254,257.75 - Step 6: Final answer
x = 144,544.15
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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.