Finding the Fourth Proportional to 90,201.04, 135,285.72 and 27,872.08
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Solution
The fourth proportional to 90,201.04, 135,285.72 and 27,872.08 is: 41,803.23
Step by Step Solution
- Step 1: Write the proportion equation
90,201.04 : 135,285.72 = 27,872.08 : x - Step 2: Convert to fraction form
90,201.04/135,285.72 = 27,872.08/x - Step 3: Cross multiply
90,201.04x = 135,285.72 × 27,872.08 - Step 4: Simplify right side
90,201.04x = 3,770,694,410.70 - Step 5: Solve for x
x = 3,770,694,410.70/90,201.04 - Step 6: Final answer
x = 41,803.23
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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.