Finding the Fourth Proportional to 216,388.76, 324,292.97 and 168,415.31
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Solution
The fourth proportional to 216,388.76, 324,292.97 and 168,415.31 is: 252,397.12
Step by Step Solution
- Step 1: Write the proportion equation
216,388.76 : 324,292.97 = 168,415.31 : x - Step 2: Convert to fraction form
216,388.76/324,292.97 = 168,415.31/x - Step 3: Cross multiply
216,388.76x = 324,292.97 × 168,415.31 - Step 4: Simplify right side
216,388.76x = 54,615,899,451.91 - Step 5: Solve for x
x = 54,615,899,451.91/216,388.76 - Step 6: Final answer
x = 252,397.12
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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.