Home / 246,729.78-340,485.66-139,298.94

Finding the Fourth Proportional to 246,729.78, 340,485.66 and 139,298.94

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Solution

The fourth proportional to 246,729.78, 340,485.66 and 139,298.94 is: 192,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,729.78 : 340,485.66 = 139,298.94 : x
  2. Step 2: Convert to fraction form
    246,729.78/340,485.66 = 139,298.94/x
  3. Step 3: Cross multiply
    246,729.78x = 340,485.66 × 139,298.94
  4. Step 4: Simplify right side
    246,729.78x = 47,429,291,523.20
  5. Step 5: Solve for x
    x = 47,429,291,523.20/246,729.78
  6. Step 6: Final answer
    x = 192,231.73

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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.