Finding the Fourth Proportional to 443,324.10, 664,986.15 and 177,125.70
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Solution
The fourth proportional to 443,324.10, 664,986.15 and 177,125.70 is: 265,688.55
Step by Step Solution
- Step 1: Write the proportion equation
443,324.10 : 664,986.15 = 177,125.70 : x - Step 2: Convert to fraction form
443,324.10/664,986.15 = 177,125.70/x - Step 3: Cross multiply
443,324.10x = 664,986.15 × 177,125.70 - Step 4: Simplify right side
443,324.10x = 117,786,137,309.06 - Step 5: Solve for x
x = 117,786,137,309.06/443,324.10 - Step 6: Final answer
x = 265,688.55
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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.