Home / 321,979.04-483,040.24-105,847.55

Finding the Fourth Proportional to 321,979.04, 483,040.24 and 105,847.55

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Solution

The fourth proportional to 321,979.04, 483,040.24 and 105,847.55 is: 158,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,979.04 : 483,040.24 = 105,847.55 : x
  2. Step 2: Convert to fraction form
    321,979.04/483,040.24 = 105,847.55/x
  3. Step 3: Cross multiply
    321,979.04x = 483,040.24 × 105,847.55
  4. Step 4: Simplify right side
    321,979.04x = 51,128,625,955.41
  5. Step 5: Solve for x
    x = 51,128,625,955.41/321,979.04
  6. Step 6: Final answer
    x = 158,794.89

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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.