Finding the Fourth Proportional to 269,281.80, 403,922.70 and 216,793.80
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Solution
The fourth proportional to 269,281.80, 403,922.70 and 216,793.80 is: 325,190.70
Step by Step Solution
- Step 1: Write the proportion equation
269,281.80 : 403,922.70 = 216,793.80 : x - Step 2: Convert to fraction form
269,281.80/403,922.70 = 216,793.80/x - Step 3: Cross multiply
269,281.80x = 403,922.70 × 216,793.80 - Step 4: Simplify right side
269,281.80x = 87,567,937,039.26 - Step 5: Solve for x
x = 87,567,937,039.26/269,281.80 - Step 6: Final answer
x = 325,190.70
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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.