Finding the Fourth Proportional to 440,023.75, 607,232.79 and 238,819.75
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Solution
The fourth proportional to 440,023.75, 607,232.79 and 238,819.75 is: 329,571.26
Step by Step Solution
- Step 1: Write the proportion equation
440,023.75 : 607,232.79 = 238,819.75 : x - Step 2: Convert to fraction form
440,023.75/607,232.79 = 238,819.75/x - Step 3: Cross multiply
440,023.75x = 607,232.79 × 238,819.75 - Step 4: Simplify right side
440,023.75x = 145,019,183,099.60 - Step 5: Solve for x
x = 145,019,183,099.60/440,023.75 - Step 6: Final answer
x = 329,571.26
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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.