Finding the Fourth Proportional to 738,775.26, 1,108,163.10 and 177,809.76
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Solution
The fourth proportional to 738,775.26, 1,108,163.10 and 177,809.76 is: 266,714.69
Step by Step Solution
- Step 1: Write the proportion equation
738,775.26 : 1,108,163.10 = 177,809.76 : x - Step 2: Convert to fraction form
738,775.26/1,108,163.10 = 177,809.76/x - Step 3: Cross multiply
738,775.26x = 1,108,163.10 × 177,809.76 - Step 4: Simplify right side
738,775.26x = 197,042,214,851.86 - Step 5: Solve for x
x = 197,042,214,851.86/738,775.26 - Step 6: Final answer
x = 266,714.69
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1.5x scale
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.