Finding the Fourth Proportional to 90,226.08, 135,357.80 and 27,043.65
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Solution
The fourth proportional to 90,226.08, 135,357.80 and 27,043.65 is: 40,571.07
Step by Step Solution
- Step 1: Write the proportion equation
90,226.08 : 135,357.80 = 27,043.65 : x - Step 2: Convert to fraction form
90,226.08/135,357.80 = 27,043.65/x - Step 3: Cross multiply
90,226.08x = 135,357.80 × 27,043.65 - Step 4: Simplify right side
90,226.08x = 3,660,568,832.75 - Step 5: Solve for x
x = 3,660,568,832.75/90,226.08 - Step 6: Final answer
x = 40,571.07
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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.