Finding the Fourth Proportional to 170,131.70, 255,197.55 and 130,765.70
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Solution
The fourth proportional to 170,131.70, 255,197.55 and 130,765.70 is: 196,148.55
Step by Step Solution
- Step 1: Write the proportion equation
170,131.70 : 255,197.55 = 130,765.70 : x - Step 2: Convert to fraction form
170,131.70/255,197.55 = 130,765.70/x - Step 3: Cross multiply
170,131.70x = 255,197.55 × 130,765.70 - Step 4: Simplify right side
170,131.70x = 33,371,086,264.04 - Step 5: Solve for x
x = 33,371,086,264.04/170,131.70 - Step 6: Final answer
x = 196,148.55
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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.