Finding the Fourth Proportional to 317,276.53, 437,840.44 and 196,393.75
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Solution
The fourth proportional to 317,276.53, 437,840.44 and 196,393.75 is: 271,022.65
Step by Step Solution
- Step 1: Write the proportion equation
317,276.53 : 437,840.44 = 196,393.75 : x - Step 2: Convert to fraction form
317,276.53/437,840.44 = 196,393.75/x - Step 3: Cross multiply
317,276.53x = 437,840.44 × 196,393.75 - Step 4: Simplify right side
317,276.53x = 85,989,125,913.25 - Step 5: Solve for x
x = 85,989,125,913.25/317,276.53 - Step 6: Final answer
x = 271,022.65
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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.