Finding the Fourth Proportional to 401,775.24, 599,113.12 and 398,169.12
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Solution
The fourth proportional to 401,775.24, 599,113.12 and 398,169.12 is: 593,735.80
Step by Step Solution
- Step 1: Write the proportion equation
401,775.24 : 599,113.12 = 398,169.12 : x - Step 2: Convert to fraction form
401,775.24/599,113.12 = 398,169.12/x - Step 3: Cross multiply
401,775.24x = 599,113.12 × 398,169.12 - Step 4: Simplify right side
401,775.24x = 238,548,343,770.85 - Step 5: Solve for x
x = 238,548,343,770.85/401,775.24 - Step 6: Final answer
x = 593,735.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.