Finding the Fourth Proportional to 202,408.10, 303,612.15 and 199,455.65
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Solution
The fourth proportional to 202,408.10, 303,612.15 and 199,455.65 is: 299,183.48
Step by Step Solution
- Step 1: Write the proportion equation
202,408.10 : 303,612.15 = 199,455.65 : x - Step 2: Convert to fraction form
202,408.10/303,612.15 = 199,455.65/x - Step 3: Cross multiply
202,408.10x = 303,612.15 × 199,455.65 - Step 4: Simplify right side
202,408.10x = 60,557,158,726.15 - Step 5: Solve for x
x = 60,557,158,726.15/202,408.10 - Step 6: Final answer
x = 299,183.48
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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.