Finding the Fourth Proportional to 518,336.05, 777,183.32 and 202,421.47
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Solution
The fourth proportional to 518,336.05, 777,183.32 and 202,421.47 is: 303,506.94
Step by Step Solution
- Step 1: Write the proportion equation
518,336.05 : 777,183.32 = 202,421.47 : x - Step 2: Convert to fraction form
518,336.05/777,183.32 = 202,421.47/x - Step 3: Cross multiply
518,336.05x = 777,183.32 × 202,421.47 - Step 4: Simplify right side
518,336.05x = 157,318,589,081.77 - Step 5: Solve for x
x = 157,318,589,081.77/518,336.05 - Step 6: Final answer
x = 303,506.94
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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.