Home / 313,810.47-470,450.43-136,183.95

Finding the Fourth Proportional to 313,810.47, 470,450.43 and 136,183.95

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Solution

The fourth proportional to 313,810.47, 470,450.43 and 136,183.95 is: 204,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,810.47 : 470,450.43 = 136,183.95 : x
  2. Step 2: Convert to fraction form
    313,810.47/470,450.43 = 136,183.95/x
  3. Step 3: Cross multiply
    313,810.47x = 470,450.43 × 136,183.95
  4. Step 4: Simplify right side
    313,810.47x = 64,067,797,836.60
  5. Step 5: Solve for x
    x = 64,067,797,836.60/313,810.47
  6. Step 6: Final answer
    x = 204,160.80

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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.