Finding the Fourth Proportional to 307,647.86, 461,469.74 and 165,559.99
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Solution
The fourth proportional to 307,647.86, 461,469.74 and 165,559.99 is: 248,338.88
Step by Step Solution
- Step 1: Write the proportion equation
307,647.86 : 461,469.74 = 165,559.99 : x - Step 2: Convert to fraction form
307,647.86/461,469.74 = 165,559.99/x - Step 3: Cross multiply
307,647.86x = 461,469.74 × 165,559.99 - Step 4: Simplify right side
307,647.86x = 76,400,926,530.44 - Step 5: Solve for x
x = 76,400,926,530.44/307,647.86 - Step 6: Final answer
x = 248,338.88
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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.