Finding the Fourth Proportional to 173,311.20, 259,966.80 and 170,686.80
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Solution
The fourth proportional to 173,311.20, 259,966.80 and 170,686.80 is: 256,030.20
Step by Step Solution
- Step 1: Write the proportion equation
173,311.20 : 259,966.80 = 170,686.80 : x - Step 2: Convert to fraction form
173,311.20/259,966.80 = 170,686.80/x - Step 3: Cross multiply
173,311.20x = 259,966.80 × 170,686.80 - Step 4: Simplify right side
173,311.20x = 44,372,901,198.24 - Step 5: Solve for x
x = 44,372,901,198.24/173,311.20 - Step 6: Final answer
x = 256,030.20
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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.