Home / 319,723.62-479,481.59-106,434.24

Finding the Fourth Proportional to 319,723.62, 479,481.59 and 106,434.24

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Solution

The fourth proportional to 319,723.62, 479,481.59 and 106,434.24 is: 159,616.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,723.62 : 479,481.59 = 106,434.24 : x
  2. Step 2: Convert to fraction form
    319,723.62/479,481.59 = 106,434.24/x
  3. Step 3: Cross multiply
    319,723.62x = 479,481.59 × 106,434.24
  4. Step 4: Simplify right side
    319,723.62x = 51,033,258,625.64
  5. Step 5: Solve for x
    x = 51,033,258,625.64/319,723.62
  6. Step 6: Final answer
    x = 159,616.79

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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.