Finding the Fourth Proportional to 256,958.44, 354,598.36 and 142,234.63
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Solution
The fourth proportional to 256,958.44, 354,598.36 and 142,234.63 is: 196,281.42
Step by Step Solution
- Step 1: Write the proportion equation
256,958.44 : 354,598.36 = 142,234.63 : x - Step 2: Convert to fraction form
256,958.44/354,598.36 = 142,234.63/x - Step 3: Cross multiply
256,958.44x = 354,598.36 × 142,234.63 - Step 4: Simplify right side
256,958.44x = 50,436,166,533.21 - Step 5: Solve for x
x = 50,436,166,533.21/256,958.44 - Step 6: Final answer
x = 196,281.42
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1.5x scale
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.