Finding the Fourth Proportional to 217,398.43, 325,582.12 and 172,274.68
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Solution
The fourth proportional to 217,398.43, 325,582.12 and 172,274.68 is: 258,003.50
Step by Step Solution
- Step 1: Write the proportion equation
217,398.43 : 325,582.12 = 172,274.68 : x - Step 2: Convert to fraction form
217,398.43/325,582.12 = 172,274.68/x - Step 3: Cross multiply
217,398.43x = 325,582.12 × 172,274.68 - Step 4: Simplify right side
217,398.43x = 56,089,555,536.72 - Step 5: Solve for x
x = 56,089,555,536.72/217,398.43 - Step 6: Final answer
x = 258,003.50
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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.