Finding the Fourth Proportional to 272,220.75, 408,706.56 and 187,780.68
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Solution
The fourth proportional to 272,220.75, 408,706.56 and 187,780.68 is: 281,930.00
Step by Step Solution
- Step 1: Write the proportion equation
272,220.75 : 408,706.56 = 187,780.68 : x - Step 2: Convert to fraction form
272,220.75/408,706.56 = 187,780.68/x - Step 3: Cross multiply
272,220.75x = 408,706.56 × 187,780.68 - Step 4: Simplify right side
272,220.75x = 76,747,195,757.26 - Step 5: Solve for x
x = 76,747,195,757.26/272,220.75 - Step 6: Final answer
x = 281,930.00
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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.