Finding the Fourth Proportional to 518,173.46, 777,260.19 and 202,408.92
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Solution
The fourth proportional to 518,173.46, 777,260.19 and 202,408.92 is: 303,613.38
Step by Step Solution
- Step 1: Write the proportion equation
518,173.46 : 777,260.19 = 202,408.92 : x - Step 2: Convert to fraction form
518,173.46/777,260.19 = 202,408.92/x - Step 3: Cross multiply
518,173.46x = 777,260.19 × 202,408.92 - Step 4: Simplify right side
518,173.46x = 157,324,395,616.90 - Step 5: Solve for x
x = 157,324,395,616.90/518,173.46 - Step 6: Final answer
x = 303,613.38
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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.