Finding the Fourth Proportional to 273,161.16, 409,785.48 and 115,390.98
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Solution
The fourth proportional to 273,161.16, 409,785.48 and 115,390.98 is: 173,104.95
Step by Step Solution
- Step 1: Write the proportion equation
273,161.16 : 409,785.48 = 115,390.98 : x - Step 2: Convert to fraction form
273,161.16/409,785.48 = 115,390.98/x - Step 3: Cross multiply
273,161.16x = 409,785.48 × 115,390.98 - Step 4: Simplify right side
273,161.16x = 47,285,548,126.97 - Step 5: Solve for x
x = 47,285,548,126.97/273,161.16 - Step 6: Final answer
x = 173,104.95
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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.