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Finding the Fourth Proportional to 238,704.44, 329,369.49 and 135,339.12

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Solution

The fourth proportional to 238,704.44, 329,369.49 and 135,339.12 is: 186,743.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,704.44 : 329,369.49 = 135,339.12 : x
  2. Step 2: Convert to fraction form
    238,704.44/329,369.49 = 135,339.12/x
  3. Step 3: Cross multiply
    238,704.44x = 329,369.49 × 135,339.12
  4. Step 4: Simplify right side
    238,704.44x = 44,576,576,931.45
  5. Step 5: Solve for x
    x = 44,576,576,931.45/238,704.44
  6. Step 6: Final answer
    x = 186,743.82

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1.5x scale

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.