Finding the Fourth Proportional to 347,486.88, 479,491.44 and 194,533.44
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Solution
The fourth proportional to 347,486.88, 479,491.44 and 194,533.44 is: 268,433.50
Step by Step Solution
- Step 1: Write the proportion equation
347,486.88 : 479,491.44 = 194,533.44 : x - Step 2: Convert to fraction form
347,486.88/479,491.44 = 194,533.44/x - Step 3: Cross multiply
347,486.88x = 479,491.44 × 194,533.44 - Step 4: Simplify right side
347,486.88x = 93,277,119,273.75 - Step 5: Solve for x
x = 93,277,119,273.75/347,486.88 - Step 6: Final answer
x = 268,433.50
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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.