Finding the Fourth Proportional to 324,073.25, 447,221.12 and 178,879.08
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Solution
The fourth proportional to 324,073.25, 447,221.12 and 178,879.08 is: 246,853.15
Step by Step Solution
- Step 1: Write the proportion equation
324,073.25 : 447,221.12 = 178,879.08 : x - Step 2: Convert to fraction form
324,073.25/447,221.12 = 178,879.08/x - Step 3: Cross multiply
324,073.25x = 447,221.12 × 178,879.08 - Step 4: Simplify right side
324,073.25x = 79,998,502,671.61 - Step 5: Solve for x
x = 79,998,502,671.61/324,073.25 - Step 6: Final answer
x = 246,853.15
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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.