Home / 319,628.58-479,494.89-119,964.66

Finding the Fourth Proportional to 319,628.58, 479,494.89 and 119,964.66

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Solution

The fourth proportional to 319,628.58, 479,494.89 and 119,964.66 is: 179,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,628.58 : 479,494.89 = 119,964.66 : x
  2. Step 2: Convert to fraction form
    319,628.58/479,494.89 = 119,964.66/x
  3. Step 3: Cross multiply
    319,628.58x = 479,494.89 × 119,964.66
  4. Step 4: Simplify right side
    319,628.58x = 57,522,441,450.59
  5. Step 5: Solve for x
    x = 57,522,441,450.59/319,628.58
  6. Step 6: Final answer
    x = 179,966.51

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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.