Finding the Fourth Proportional to 325,209.47, 487,183.01 and 239,664.97
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Solution
The fourth proportional to 325,209.47, 487,183.01 and 239,664.97 is: 359,032.28
Step by Step Solution
- Step 1: Write the proportion equation
325,209.47 : 487,183.01 = 239,664.97 : x - Step 2: Convert to fraction form
325,209.47/487,183.01 = 239,664.97/x - Step 3: Cross multiply
325,209.47x = 487,183.01 × 239,664.97 - Step 4: Simplify right side
325,209.47x = 116,760,699,040.25 - Step 5: Solve for x
x = 116,760,699,040.25/325,209.47 - Step 6: Final answer
x = 359,032.28
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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.