Finding the Fourth Proportional to 347,697.08, 479,739.68 and 196,794.08
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Solution
The fourth proportional to 347,697.08, 479,739.68 and 196,794.08 is: 271,529.25
Step by Step Solution
- Step 1: Write the proportion equation
347,697.08 : 479,739.68 = 196,794.08 : x - Step 2: Convert to fraction form
347,697.08/479,739.68 = 196,794.08/x - Step 3: Cross multiply
347,697.08x = 479,739.68 × 196,794.08 - Step 4: Simplify right side
347,697.08x = 94,409,928,965.09 - Step 5: Solve for x
x = 94,409,928,965.09/347,697.08 - Step 6: Final answer
x = 271,529.25
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.