Finding the Fourth Proportional to 383,868.38, 529,739.08 and 214,113.44
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Solution
The fourth proportional to 383,868.38, 529,739.08 and 214,113.44 is: 295,476.95
Step by Step Solution
- Step 1: Write the proportion equation
383,868.38 : 529,739.08 = 214,113.44 : x - Step 2: Convert to fraction form
383,868.38/529,739.08 = 214,113.44/x - Step 3: Cross multiply
383,868.38x = 529,739.08 × 214,113.44 - Step 4: Simplify right side
383,868.38x = 113,424,256,721.24 - Step 5: Solve for x
x = 113,424,256,721.24/383,868.38 - Step 6: Final answer
x = 295,476.95
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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.