Finding the Fourth Proportional to 217,832.76, 326,608.74 and 146,827.08
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Solution
The fourth proportional to 217,832.76, 326,608.74 and 146,827.08 is: 220,145.99
Step by Step Solution
- Step 1: Write the proportion equation
217,832.76 : 326,608.74 = 146,827.08 : x - Step 2: Convert to fraction form
217,832.76/326,608.74 = 146,827.08/x - Step 3: Cross multiply
217,832.76x = 326,608.74 × 146,827.08 - Step 4: Simplify right side
217,832.76x = 47,955,007,596.68 - Step 5: Solve for x
x = 47,955,007,596.68/217,832.76 - Step 6: Final answer
x = 220,145.99
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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.