Finding the Fourth Proportional to 324,579.98, 447,831.42 and 222,630.68
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Solution
The fourth proportional to 324,579.98, 447,831.42 and 222,630.68 is: 307,169.33
Step by Step Solution
- Step 1: Write the proportion equation
324,579.98 : 447,831.42 = 222,630.68 : x - Step 2: Convert to fraction form
324,579.98/447,831.42 = 222,630.68/x - Step 3: Cross multiply
324,579.98x = 447,831.42 × 222,630.68 - Step 4: Simplify right side
324,579.98x = 99,701,013,559.97 - Step 5: Solve for x
x = 99,701,013,559.97/324,579.98 - Step 6: Final answer
x = 307,169.33
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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.