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Finding the Fourth Proportional to 326,667.03, 490,270.73 and 166,861.11

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Solution

The fourth proportional to 326,667.03, 490,270.73 and 166,861.11 is: 250,429.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,667.03 : 490,270.73 = 166,861.11 : x
  2. Step 2: Convert to fraction form
    326,667.03/490,270.73 = 166,861.11/x
  3. Step 3: Cross multiply
    326,667.03x = 490,270.73 × 166,861.11
  4. Step 4: Simplify right side
    326,667.03x = 81,807,119,212.52
  5. Step 5: Solve for x
    x = 81,807,119,212.52/326,667.03
  6. Step 6: Final answer
    x = 250,429.68

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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.