Finding the Fourth Proportional to 270,801.41, 406,220.54 and 71,121.44
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Solution
The fourth proportional to 270,801.41, 406,220.54 and 71,121.44 is: 106,686.99
Step by Step Solution
- Step 1: Write the proportion equation
270,801.41 : 406,220.54 = 71,121.44 : x - Step 2: Convert to fraction form
270,801.41/406,220.54 = 71,121.44/x - Step 3: Cross multiply
270,801.41x = 406,220.54 × 71,121.44 - Step 4: Simplify right side
270,801.41x = 28,890,987,375.67 - Step 5: Solve for x
x = 28,890,987,375.67/270,801.41 - Step 6: Final answer
x = 106,686.99
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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.