Finding the Fourth Proportional to 383,644.08, 529,236.18 and 270,532.44
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Solution
The fourth proportional to 383,644.08, 529,236.18 and 270,532.44 is: 373,198.92
Step by Step Solution
- Step 1: Write the proportion equation
383,644.08 : 529,236.18 = 270,532.44 : x - Step 2: Convert to fraction form
383,644.08/529,236.18 = 270,532.44/x - Step 3: Cross multiply
383,644.08x = 529,236.18 × 270,532.44 - Step 4: Simplify right side
383,644.08x = 143,175,555,111.68 - Step 5: Solve for x
x = 143,175,555,111.68/383,644.08 - Step 6: Final answer
x = 373,198.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.