Finding the Fourth Proportional to 416,121.63, 574,247.66 and 234,871.58
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Solution
The fourth proportional to 416,121.63, 574,247.66 and 234,871.58 is: 324,122.66
Step by Step Solution
- Step 1: Write the proportion equation
416,121.63 : 574,247.66 = 234,871.58 : x - Step 2: Convert to fraction form
416,121.63/574,247.66 = 234,871.58/x - Step 3: Cross multiply
416,121.63x = 574,247.66 × 234,871.58 - Step 4: Simplify right side
416,121.63x = 134,874,451,169.91 - Step 5: Solve for x
x = 134,874,451,169.91/416,121.63 - Step 6: Final answer
x = 324,122.66
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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.