Finding the Fourth Proportional to 324,851.44, 486,950.06 and 135,416.70
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Solution
The fourth proportional to 324,851.44, 486,950.06 and 135,416.70 is: 202,988.70
Step by Step Solution
- Step 1: Write the proportion equation
324,851.44 : 486,950.06 = 135,416.70 : x - Step 2: Convert to fraction form
324,851.44/486,950.06 = 135,416.70/x - Step 3: Cross multiply
324,851.44x = 486,950.06 × 135,416.70 - Step 4: Simplify right side
324,851.44x = 65,941,170,190.00 - Step 5: Solve for x
x = 65,941,170,190.00/324,851.44 - Step 6: Final answer
x = 202,988.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.