Finding the Fourth Proportional to 263,465.10, 395,197.65 and 168,986.70
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Solution
The fourth proportional to 263,465.10, 395,197.65 and 168,986.70 is: 253,480.05
Step by Step Solution
- Step 1: Write the proportion equation
263,465.10 : 395,197.65 = 168,986.70 : x - Step 2: Convert to fraction form
263,465.10/395,197.65 = 168,986.70/x - Step 3: Cross multiply
263,465.10x = 395,197.65 × 168,986.70 - Step 4: Simplify right side
263,465.10x = 66,783,146,721.26 - Step 5: Solve for x
x = 66,783,146,721.26/263,465.10 - Step 6: Final answer
x = 253,480.05
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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.