Home / 239,311.35-358,857.27-81,475.56

Finding the Fourth Proportional to 239,311.35, 358,857.27 and 81,475.56

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Solution

The fourth proportional to 239,311.35, 358,857.27 and 81,475.56 is: 122,175.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,311.35 : 358,857.27 = 81,475.56 : x
  2. Step 2: Convert to fraction form
    239,311.35/358,857.27 = 81,475.56/x
  3. Step 3: Cross multiply
    239,311.35x = 358,857.27 × 81,475.56
  4. Step 4: Simplify right side
    239,311.35x = 29,238,097,033.32
  5. Step 5: Solve for x
    x = 29,238,097,033.32/239,311.35
  6. Step 6: Final answer
    x = 122,175.97

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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.