Finding the Fourth Proportional to 416,169.81, 574,102.76 and 252,782.84
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Solution
The fourth proportional to 416,169.81, 574,102.76 and 252,782.84 is: 348,711.80
Step by Step Solution
- Step 1: Write the proportion equation
416,169.81 : 574,102.76 = 252,782.84 : x - Step 2: Convert to fraction form
416,169.81/574,102.76 = 252,782.84/x - Step 3: Cross multiply
416,169.81x = 574,102.76 × 252,782.84 - Step 4: Simplify right side
416,169.81x = 145,123,321,990.21 - Step 5: Solve for x
x = 145,123,321,990.21/416,169.81 - Step 6: Final answer
x = 348,711.80
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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.