Finding the Fourth Proportional to 240,621.75, 360,932.63 and 74,409.75
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Solution
The fourth proportional to 240,621.75, 360,932.63 and 74,409.75 is: 111,614.63
Step by Step Solution
- Step 1: Write the proportion equation
240,621.75 : 360,932.63 = 74,409.75 : x - Step 2: Convert to fraction form
240,621.75/360,932.63 = 74,409.75/x - Step 3: Cross multiply
240,621.75x = 360,932.63 × 74,409.75 - Step 4: Simplify right side
240,621.75x = 26,856,906,765.14 - Step 5: Solve for x
x = 26,856,906,765.14/240,621.75 - Step 6: Final answer
x = 111,614.63
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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.