Finding the Fourth Proportional to 214,305.09, 321,392.00 and 148,170.21
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Solution
The fourth proportional to 214,305.09, 321,392.00 and 148,170.21 is: 222,209.94
Step by Step Solution
- Step 1: Write the proportion equation
214,305.09 : 321,392.00 = 148,170.21 : x - Step 2: Convert to fraction form
214,305.09/321,392.00 = 148,170.21/x - Step 3: Cross multiply
214,305.09x = 321,392.00 × 148,170.21 - Step 4: Simplify right side
214,305.09x = 47,620,721,105.36 - Step 5: Solve for x
x = 47,620,721,105.36/214,305.09 - Step 6: Final answer
x = 222,209.94
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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.