Finding the Fourth Proportional to 170,757.20, 256,135.80 and 168,132.80
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Solution
The fourth proportional to 170,757.20, 256,135.80 and 168,132.80 is: 252,199.20
Step by Step Solution
- Step 1: Write the proportion equation
170,757.20 : 256,135.80 = 168,132.80 : x - Step 2: Convert to fraction form
170,757.20/256,135.80 = 168,132.80/x - Step 3: Cross multiply
170,757.20x = 256,135.80 × 168,132.80 - Step 4: Simplify right side
170,757.20x = 43,064,829,234.24 - Step 5: Solve for x
x = 43,064,829,234.24/170,757.20 - Step 6: Final answer
x = 252,199.20
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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.