Finding the Fourth Proportional to 296,938.20, 445,115.70 and 147,201.60
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Solution
The fourth proportional to 296,938.20, 445,115.70 and 147,201.60 is: 220,657.84
Step by Step Solution
- Step 1: Write the proportion equation
296,938.20 : 445,115.70 = 147,201.60 : x - Step 2: Convert to fraction form
296,938.20/445,115.70 = 147,201.60/x - Step 3: Cross multiply
296,938.20x = 445,115.70 × 147,201.60 - Step 4: Simplify right side
296,938.20x = 65,521,743,225.12 - Step 5: Solve for x
x = 65,521,743,225.12/296,938.20 - Step 6: Final answer
x = 220,657.84
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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.