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Finding the Fourth Proportional to 228,833.28, 315,826.56 and 133,395.84

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Solution

The fourth proportional to 228,833.28, 315,826.56 and 133,395.84 is: 184,107.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,833.28 : 315,826.56 = 133,395.84 : x
  2. Step 2: Convert to fraction form
    228,833.28/315,826.56 = 133,395.84/x
  3. Step 3: Cross multiply
    228,833.28x = 315,826.56 × 133,395.84
  4. Step 4: Simplify right side
    228,833.28x = 42,129,949,265.51
  5. Step 5: Solve for x
    x = 42,129,949,265.51/228,833.28
  6. Step 6: Final answer
    x = 184,107.61

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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.