Finding the Fourth Proportional to 403,163.63, 604,207.99 and 150,189.39
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Solution
The fourth proportional to 403,163.63, 604,207.99 and 150,189.39 is: 225,083.87
Step by Step Solution
- Step 1: Write the proportion equation
403,163.63 : 604,207.99 = 150,189.39 : x - Step 2: Convert to fraction form
403,163.63/604,207.99 = 150,189.39/x - Step 3: Cross multiply
403,163.63x = 604,207.99 × 150,189.39 - Step 4: Simplify right side
403,163.63x = 90,745,629,451.23 - Step 5: Solve for x
x = 90,745,629,451.23/403,163.63 - Step 6: Final answer
x = 225,083.87
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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.