Finding the Fourth Proportional to 272,967.20, 409,450.80 and 95,455.70
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Solution
The fourth proportional to 272,967.20, 409,450.80 and 95,455.70 is: 143,183.55
Step by Step Solution
- Step 1: Write the proportion equation
272,967.20 : 409,450.80 = 95,455.70 : x - Step 2: Convert to fraction form
272,967.20/409,450.80 = 95,455.70/x - Step 3: Cross multiply
272,967.20x = 409,450.80 × 95,455.70 - Step 4: Simplify right side
272,967.20x = 39,084,412,729.56 - Step 5: Solve for x
x = 39,084,412,729.56/272,967.20 - Step 6: Final answer
x = 143,183.55
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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.