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Finding the Fourth Proportional to 221,679.36, 332,519.04 and 55,467.36

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Solution

The fourth proportional to 221,679.36, 332,519.04 and 55,467.36 is: 83,201.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,679.36 : 332,519.04 = 55,467.36 : x
  2. Step 2: Convert to fraction form
    221,679.36/332,519.04 = 55,467.36/x
  3. Step 3: Cross multiply
    221,679.36x = 332,519.04 × 55,467.36
  4. Step 4: Simplify right side
    221,679.36x = 18,443,953,298.53
  5. Step 5: Solve for x
    x = 18,443,953,298.53/221,679.36
  6. Step 6: Final answer
    x = 83,201.04

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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.