Finding the Fourth Proportional to 269,192.20, 403,334.70 and 212,816.20
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Solution
The fourth proportional to 269,192.20, 403,334.70 and 212,816.20 is: 318,865.70
Step by Step Solution
- Step 1: Write the proportion equation
269,192.20 : 403,334.70 = 212,816.20 : x - Step 2: Convert to fraction form
269,192.20/403,334.70 = 212,816.20/x - Step 3: Cross multiply
269,192.20x = 403,334.70 × 212,816.20 - Step 4: Simplify right side
269,192.20x = 85,836,158,182.14 - Step 5: Solve for x
x = 85,836,158,182.14/269,192.20 - Step 6: Final answer
x = 318,865.70
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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.