Finding the Fourth Proportional to 347,477.00, 479,518.45 and 194,515.49
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Solution
The fourth proportional to 347,477.00, 479,518.45 and 194,515.49 is: 268,431.49
Step by Step Solution
- Step 1: Write the proportion equation
347,477.00 : 479,518.45 = 194,515.49 : x - Step 2: Convert to fraction form
347,477.00/479,518.45 = 194,515.49/x - Step 3: Cross multiply
347,477.00x = 479,518.45 × 194,515.49 - Step 4: Simplify right side
347,477.00x = 93,273,766,978.30 - Step 5: Solve for x
x = 93,273,766,978.30/347,477.00 - Step 6: Final answer
x = 268,431.49
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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.