Home / 231,789.33-320,022.90-177,977.79

Finding the Fourth Proportional to 231,789.33, 320,022.90 and 177,977.79

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Solution

The fourth proportional to 231,789.33, 320,022.90 and 177,977.79 is: 245,727.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,789.33 : 320,022.90 = 177,977.79 : x
  2. Step 2: Convert to fraction form
    231,789.33/320,022.90 = 177,977.79/x
  3. Step 3: Cross multiply
    231,789.33x = 320,022.90 × 177,977.79
  4. Step 4: Simplify right side
    231,789.33x = 56,956,968,491.39
  5. Step 5: Solve for x
    x = 56,956,968,491.39/231,789.33
  6. Step 6: Final answer
    x = 245,727.31

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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.