Home / 246,711.81-340,462.39-139,288.77

Finding the Fourth Proportional to 246,711.81, 340,462.39 and 139,288.77

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Solution

The fourth proportional to 246,711.81, 340,462.39 and 139,288.77 is: 192,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,711.81 : 340,462.39 = 139,288.77 : x
  2. Step 2: Convert to fraction form
    246,711.81/340,462.39 = 139,288.77/x
  3. Step 3: Cross multiply
    246,711.81x = 340,462.39 × 139,288.77
  4. Step 4: Simplify right side
    246,711.81x = 47,422,587,447.30
  5. Step 5: Solve for x
    x = 47,422,587,447.30/246,711.81
  6. Step 6: Final answer
    x = 192,218.55

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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.