Finding the Fourth Proportional to 330,768.09, 456,589.78 and 234,475.26
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Solution
The fourth proportional to 330,768.09, 456,589.78 and 234,475.26 is: 323,667.88
Step by Step Solution
- Step 1: Write the proportion equation
330,768.09 : 456,589.78 = 234,475.26 : x - Step 2: Convert to fraction form
330,768.09/456,589.78 = 234,475.26/x - Step 3: Cross multiply
330,768.09x = 456,589.78 × 234,475.26 - Step 4: Simplify right side
330,768.09x = 107,059,005,080.44 - Step 5: Solve for x
x = 107,059,005,080.44/330,768.09 - Step 6: Final answer
x = 323,667.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.