Home / 256,973.85-384,899.41-106,758.69

Finding the Fourth Proportional to 256,973.85, 384,899.41 and 106,758.69

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Solution

The fourth proportional to 256,973.85, 384,899.41 and 106,758.69 is: 159,904.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,973.85 : 384,899.41 = 106,758.69 : x
  2. Step 2: Convert to fraction form
    256,973.85/384,899.41 = 106,758.69/x
  3. Step 3: Cross multiply
    256,973.85x = 384,899.41 × 106,758.69
  4. Step 4: Simplify right side
    256,973.85x = 41,091,356,793.37
  5. Step 5: Solve for x
    x = 41,091,356,793.37/256,973.85
  6. Step 6: Final answer
    x = 159,904.82

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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.