Finding the Fourth Proportional to 220,798.08, 331,199.28 and 54,586.08
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Solution
The fourth proportional to 220,798.08, 331,199.28 and 54,586.08 is: 81,879.65
Step by Step Solution
- Step 1: Write the proportion equation
220,798.08 : 331,199.28 = 54,586.08 : x - Step 2: Convert to fraction form
220,798.08/331,199.28 = 54,586.08/x - Step 3: Cross multiply
220,798.08x = 331,199.28 × 54,586.08 - Step 4: Simplify right side
220,798.08x = 18,078,870,394.02 - Step 5: Solve for x
x = 18,078,870,394.02/220,798.08 - Step 6: Final answer
x = 81,879.65
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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.