Finding the Fourth Proportional to 342,245.10, 512,919.30 and 164,398.26
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Solution
The fourth proportional to 342,245.10, 512,919.30 and 164,398.26 is: 246,382.02
Step by Step Solution
- Step 1: Write the proportion equation
342,245.10 : 512,919.30 = 164,398.26 : x - Step 2: Convert to fraction form
342,245.10/512,919.30 = 164,398.26/x - Step 3: Cross multiply
342,245.10x = 512,919.30 × 164,398.26 - Step 4: Simplify right side
342,245.10x = 84,323,040,440.42 - Step 5: Solve for x
x = 84,323,040,440.42/342,245.10 - Step 6: Final answer
x = 246,382.02
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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.