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Finding the Fourth Proportional to 381,257.52, 526,149.37 and 230,325.36

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Solution

The fourth proportional to 381,257.52, 526,149.37 and 230,325.36 is: 317,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,257.52 : 526,149.37 = 230,325.36 : x
  2. Step 2: Convert to fraction form
    381,257.52/526,149.37 = 230,325.36/x
  3. Step 3: Cross multiply
    381,257.52x = 526,149.37 × 230,325.36
  4. Step 4: Simplify right side
    381,257.52x = 121,185,543,059.02
  5. Step 5: Solve for x
    x = 121,185,543,059.02/381,257.52
  6. Step 6: Final answer
    x = 317,857.45

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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.