Home / 321,960.16-444,282.78-178,708.92

Finding the Fourth Proportional to 321,960.16, 444,282.78 and 178,708.92

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Solution

The fourth proportional to 321,960.16, 444,282.78 and 178,708.92 is: 246,605.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,960.16 : 444,282.78 = 178,708.92 : x
  2. Step 2: Convert to fraction form
    321,960.16/444,282.78 = 178,708.92/x
  3. Step 3: Cross multiply
    321,960.16x = 444,282.78 × 178,708.92
  4. Step 4: Simplify right side
    321,960.16x = 79,397,295,788.40
  5. Step 5: Solve for x
    x = 79,397,295,788.40/321,960.16
  6. Step 6: Final answer
    x = 246,605.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.