Finding the Fourth Proportional to 264,247.20, 395,714.70 and 211,759.20
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Solution
The fourth proportional to 264,247.20, 395,714.70 and 211,759.20 is: 317,113.02
Step by Step Solution
- Step 1: Write the proportion equation
264,247.20 : 395,714.70 = 211,759.20 : x - Step 2: Convert to fraction form
264,247.20/395,714.70 = 211,759.20/x - Step 3: Cross multiply
264,247.20x = 395,714.70 × 211,759.20 - Step 4: Simplify right side
264,247.20x = 83,796,228,300.24 - Step 5: Solve for x
x = 83,796,228,300.24/264,247.20 - Step 6: Final answer
x = 317,113.02
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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.