Finding the Fourth Proportional to 135,919.08, 203,832.36 and 51,658.92
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Solution
The fourth proportional to 135,919.08, 203,832.36 and 51,658.92 is: 77,470.80
Step by Step Solution
- Step 1: Write the proportion equation
135,919.08 : 203,832.36 = 51,658.92 : x - Step 2: Convert to fraction form
135,919.08/203,832.36 = 51,658.92/x - Step 3: Cross multiply
135,919.08x = 203,832.36 × 51,658.92 - Step 4: Simplify right side
135,919.08x = 10,529,759,578.65 - Step 5: Solve for x
x = 10,529,759,578.65/135,919.08 - Step 6: Final answer
x = 77,470.80
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1.5x scale
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.