Finding the Fourth Proportional to 341,252.80, 511,879.20 and 164,105.80
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Solution
The fourth proportional to 341,252.80, 511,879.20 and 164,105.80 is: 246,158.70
Step by Step Solution
- Step 1: Write the proportion equation
341,252.80 : 511,879.20 = 164,105.80 : x - Step 2: Convert to fraction form
341,252.80/511,879.20 = 164,105.80/x - Step 3: Cross multiply
341,252.80x = 511,879.20 × 164,105.80 - Step 4: Simplify right side
341,252.80x = 84,002,345,619.36 - Step 5: Solve for x
x = 84,002,345,619.36/341,252.80 - Step 6: Final answer
x = 246,158.70
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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.