Home / 268,667.38-403,142.19-119,011.06

Finding the Fourth Proportional to 268,667.38, 403,142.19 and 119,011.06

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Solution

The fourth proportional to 268,667.38, 403,142.19 and 119,011.06 is: 178,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,667.38 : 403,142.19 = 119,011.06 : x
  2. Step 2: Convert to fraction form
    268,667.38/403,142.19 = 119,011.06/x
  3. Step 3: Cross multiply
    268,667.38x = 403,142.19 × 119,011.06
  4. Step 4: Simplify right side
    268,667.38x = 47,978,379,362.62
  5. Step 5: Solve for x
    x = 47,978,379,362.62/268,667.38
  6. Step 6: Final answer
    x = 178,579.10

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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.