Finding the Fourth Proportional to 323,728.26, 446,586.21 and 216,324.66
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Solution
The fourth proportional to 323,728.26, 446,586.21 and 216,324.66 is: 298,421.92
Step by Step Solution
- Step 1: Write the proportion equation
323,728.26 : 446,586.21 = 216,324.66 : x - Step 2: Convert to fraction form
323,728.26/446,586.21 = 216,324.66/x - Step 3: Cross multiply
323,728.26x = 446,586.21 × 216,324.66 - Step 4: Simplify right side
323,728.26x = 96,607,610,038.94 - Step 5: Solve for x
x = 96,607,610,038.94/323,728.26 - Step 6: Final answer
x = 298,421.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.