Finding the Fourth Proportional to 269,186.70, 403,780.05 and 206,201.10
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Solution
The fourth proportional to 269,186.70, 403,780.05 and 206,201.10 is: 309,301.65
Step by Step Solution
- Step 1: Write the proportion equation
269,186.70 : 403,780.05 = 206,201.10 : x - Step 2: Convert to fraction form
269,186.70/403,780.05 = 206,201.10/x - Step 3: Cross multiply
269,186.70x = 403,780.05 × 206,201.10 - Step 4: Simplify right side
269,186.70x = 83,259,890,468.06 - Step 5: Solve for x
x = 83,259,890,468.06/269,186.70 - Step 6: Final answer
x = 309,301.65
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1.5x scale
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.