Finding the Fourth Proportional to 273,128.68, 409,819.74 and 115,393.96
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Solution
The fourth proportional to 273,128.68, 409,819.74 and 115,393.96 is: 173,144.48
Step by Step Solution
- Step 1: Write the proportion equation
273,128.68 : 409,819.74 = 115,393.96 : x - Step 2: Convert to fraction form
273,128.68/409,819.74 = 115,393.96/x - Step 3: Cross multiply
273,128.68x = 409,819.74 × 115,393.96 - Step 4: Simplify right side
273,128.68x = 47,290,722,684.77 - Step 5: Solve for x
x = 47,290,722,684.77/273,128.68 - Step 6: Final answer
x = 173,144.48
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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.