Home / 268,774.06-403,410.19-135,747.73

Finding the Fourth Proportional to 268,774.06, 403,410.19 and 135,747.73

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Solution

The fourth proportional to 268,774.06, 403,410.19 and 135,747.73 is: 203,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,774.06 : 403,410.19 = 135,747.73 : x
  2. Step 2: Convert to fraction form
    268,774.06/403,410.19 = 135,747.73/x
  3. Step 3: Cross multiply
    268,774.06x = 403,410.19 × 135,747.73
  4. Step 4: Simplify right side
    268,774.06x = 54,762,017,890.74
  5. Step 5: Solve for x
    x = 54,762,017,890.74/268,774.06
  6. Step 6: Final answer
    x = 203,747.41

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1.5x scale

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.