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Finding the Fourth Proportional to 227,242.52, 340,863.21 and 67,330.91

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Solution

The fourth proportional to 227,242.52, 340,863.21 and 67,330.91 is: 100,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,242.52 : 340,863.21 = 67,330.91 : x
  2. Step 2: Convert to fraction form
    227,242.52/340,863.21 = 67,330.91/x
  3. Step 3: Cross multiply
    227,242.52x = 340,863.21 × 67,330.91
  4. Step 4: Simplify right side
    227,242.52x = 22,950,628,410.51
  5. Step 5: Solve for x
    x = 22,950,628,410.51/227,242.52
  6. Step 6: Final answer
    x = 100,996.19

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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.