Finding the Fourth Proportional to 206,525.12, 309,789.12 and 94,182.08
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Solution
The fourth proportional to 206,525.12, 309,789.12 and 94,182.08 is: 141,273.78
Step by Step Solution
- Step 1: Write the proportion equation
206,525.12 : 309,789.12 = 94,182.08 : x - Step 2: Convert to fraction form
206,525.12/309,789.12 = 94,182.08/x - Step 3: Cross multiply
206,525.12x = 309,789.12 × 94,182.08 - Step 4: Simplify right side
206,525.12x = 29,176,583,682.97 - Step 5: Solve for x
x = 29,176,583,682.97/206,525.12 - Step 6: Final answer
x = 141,273.78
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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.