Finding the Fourth Proportional to 272,892.10, 408,949.35 and 201,255.70
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Solution
The fourth proportional to 272,892.10, 408,949.35 and 201,255.70 is: 301,596.81
Step by Step Solution
- Step 1: Write the proportion equation
272,892.10 : 408,949.35 = 201,255.70 : x - Step 2: Convert to fraction form
272,892.10/408,949.35 = 201,255.70/x - Step 3: Cross multiply
272,892.10x = 408,949.35 × 201,255.70 - Step 4: Simplify right side
272,892.10x = 82,303,387,698.80 - Step 5: Solve for x
x = 82,303,387,698.80/272,892.10 - Step 6: Final answer
x = 301,596.81
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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.