Finding the Fourth Proportional to 272,351.10, 408,125.70 and 197,628.60
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Solution
The fourth proportional to 272,351.10, 408,125.70 and 197,628.60 is: 296,151.96
Step by Step Solution
- Step 1: Write the proportion equation
272,351.10 : 408,125.70 = 197,628.60 : x - Step 2: Convert to fraction form
272,351.10/408,125.70 = 197,628.60/x - Step 3: Cross multiply
272,351.10x = 408,125.70 × 197,628.60 - Step 4: Simplify right side
272,351.10x = 80,657,310,715.02 - Step 5: Solve for x
x = 80,657,310,715.02/272,351.10 - Step 6: Final answer
x = 296,151.96
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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.