Finding the Fourth Proportional to 431,137.26, 646,709.67 and 150,655.14
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Solution
The fourth proportional to 431,137.26, 646,709.67 and 150,655.14 is: 225,984.03
Step by Step Solution
- Step 1: Write the proportion equation
431,137.26 : 646,709.67 = 150,655.14 : x - Step 2: Convert to fraction form
431,137.26/646,709.67 = 150,655.14/x - Step 3: Cross multiply
431,137.26x = 646,709.67 × 150,655.14 - Step 4: Simplify right side
431,137.26x = 97,430,135,873.20 - Step 5: Solve for x
x = 97,430,135,873.20/431,137.26 - Step 6: Final answer
x = 225,984.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.