Finding the Fourth Proportional to 230,286.52, 317,800.02 and 128,306.44
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Solution
The fourth proportional to 230,286.52, 317,800.02 and 128,306.44 is: 177,065.46
Step by Step Solution
- Step 1: Write the proportion equation
230,286.52 : 317,800.02 = 128,306.44 : x - Step 2: Convert to fraction form
230,286.52/317,800.02 = 128,306.44/x - Step 3: Cross multiply
230,286.52x = 317,800.02 × 128,306.44 - Step 4: Simplify right side
230,286.52x = 40,775,789,198.13 - Step 5: Solve for x
x = 40,775,789,198.13/230,286.52 - Step 6: Final answer
x = 177,065.46
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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.