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Finding the Fourth Proportional to 239,443.63, 359,167.24 and 106,288.09

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Solution

The fourth proportional to 239,443.63, 359,167.24 and 106,288.09 is: 159,432.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,443.63 : 359,167.24 = 106,288.09 : x
  2. Step 2: Convert to fraction form
    239,443.63/359,167.24 = 106,288.09/x
  3. Step 3: Cross multiply
    239,443.63x = 359,167.24 × 106,288.09
  4. Step 4: Simplify right side
    239,443.63x = 38,175,199,930.17
  5. Step 5: Solve for x
    x = 38,175,199,930.17/239,443.63
  6. Step 6: Final answer
    x = 159,432.93

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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.