Finding the Fourth Proportional to 217,003.86, 325,521.42 and 74,847.14
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Solution
The fourth proportional to 217,003.86, 325,521.42 and 74,847.14 is: 112,276.09
Step by Step Solution
- Step 1: Write the proportion equation
217,003.86 : 325,521.42 = 74,847.14 : x - Step 2: Convert to fraction form
217,003.86/325,521.42 = 74,847.14/x - Step 3: Cross multiply
217,003.86x = 325,521.42 × 74,847.14 - Step 4: Simplify right side
217,003.86x = 24,364,345,668.13 - Step 5: Solve for x
x = 24,364,345,668.13/217,003.86 - Step 6: Final answer
x = 112,276.09
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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.