Home / 320,837.31-482,128.34-171,183.33

Finding the Fourth Proportional to 320,837.31, 482,128.34 and 171,183.33

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Solution

The fourth proportional to 320,837.31, 482,128.34 and 171,183.33 is: 257,240.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,837.31 : 482,128.34 = 171,183.33 : x
  2. Step 2: Convert to fraction form
    320,837.31/482,128.34 = 171,183.33/x
  3. Step 3: Cross multiply
    320,837.31x = 482,128.34 × 171,183.33
  4. Step 4: Simplify right side
    320,837.31x = 82,532,333,872.66
  5. Step 5: Solve for x
    x = 82,532,333,872.66/320,837.31
  6. Step 6: Final answer
    x = 257,240.45

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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.