Finding the Fourth Proportional to 383,396.26, 574,704.78 and 158,878.84
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Solution
The fourth proportional to 383,396.26, 574,704.78 and 158,878.84 is: 238,156.80
Step by Step Solution
- Step 1: Write the proportion equation
383,396.26 : 574,704.78 = 158,878.84 : x - Step 2: Convert to fraction form
383,396.26/574,704.78 = 158,878.84/x - Step 3: Cross multiply
383,396.26x = 574,704.78 × 158,878.84 - Step 4: Simplify right side
383,396.26x = 91,308,426,756.30 - Step 5: Solve for x
x = 91,308,426,756.30/383,396.26 - Step 6: Final answer
x = 238,156.80
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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.