Finding the Fourth Proportional to 337,183.29, 465,378.21 and 216,477.09
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Solution
The fourth proportional to 337,183.29, 465,378.21 and 216,477.09 is: 298,780.29
Step by Step Solution
- Step 1: Write the proportion equation
337,183.29 : 465,378.21 = 216,477.09 : x - Step 2: Convert to fraction form
337,183.29/465,378.21 = 216,477.09/x - Step 3: Cross multiply
337,183.29x = 465,378.21 × 216,477.09 - Step 4: Simplify right side
337,183.29x = 100,743,720,650.21 - Step 5: Solve for x
x = 100,743,720,650.21/337,183.29 - Step 6: Final answer
x = 298,780.29
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1.5x scale
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.