Finding the Fourth Proportional to 265,475.80, 398,213.70 and 239,231.80
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Solution
The fourth proportional to 265,475.80, 398,213.70 and 239,231.80 is: 358,847.70
Step by Step Solution
- Step 1: Write the proportion equation
265,475.80 : 398,213.70 = 239,231.80 : x - Step 2: Convert to fraction form
265,475.80/398,213.70 = 239,231.80/x - Step 3: Cross multiply
265,475.80x = 398,213.70 × 239,231.80 - Step 4: Simplify right side
265,475.80x = 95,265,380,235.66 - Step 5: Solve for x
x = 95,265,380,235.66/265,475.80 - Step 6: Final answer
x = 358,847.70
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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.