Finding the Fourth Proportional to 214,823.43, 322,383.09 and 74,582.07
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Solution
The fourth proportional to 214,823.43, 322,383.09 and 74,582.07 is: 111,924.47
Step by Step Solution
- Step 1: Write the proportion equation
214,823.43 : 322,383.09 = 74,582.07 : x - Step 2: Convert to fraction form
214,823.43/322,383.09 = 74,582.07/x - Step 3: Cross multiply
214,823.43x = 322,383.09 × 74,582.07 - Step 4: Simplify right side
214,823.43x = 24,043,998,185.20 - Step 5: Solve for x
x = 24,043,998,185.20/214,823.43 - Step 6: Final answer
x = 111,924.47
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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.