Finding the Fourth Proportional to 324,219.29, 447,420.87 and 188,286.62
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Solution
The fourth proportional to 324,219.29, 447,420.87 and 188,286.62 is: 259,834.52
Step by Step Solution
- Step 1: Write the proportion equation
324,219.29 : 447,420.87 = 188,286.62 : x - Step 2: Convert to fraction form
324,219.29/447,420.87 = 188,286.62/x - Step 3: Cross multiply
324,219.29x = 447,420.87 × 188,286.62 - Step 4: Simplify right side
324,219.29x = 84,243,361,092.66 - Step 5: Solve for x
x = 84,243,361,092.66/324,219.29 - Step 6: Final answer
x = 259,834.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.