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Finding the Fourth Proportional to 241,247.30, 332,936.35 and 139,291.40

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Solution

The fourth proportional to 241,247.30, 332,936.35 and 139,291.40 is: 192,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,247.30 : 332,936.35 = 139,291.40 : x
  2. Step 2: Convert to fraction form
    241,247.30/332,936.35 = 139,291.40/x
  3. Step 3: Cross multiply
    241,247.30x = 332,936.35 × 139,291.40
  4. Step 4: Simplify right side
    241,247.30x = 46,375,170,786.50
  5. Step 5: Solve for x
    x = 46,375,170,786.50/241,247.30
  6. Step 6: Final answer
    x = 192,230.84

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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.