Home / 254,238.72-381,458.40-96,509.04

Finding the Fourth Proportional to 254,238.72, 381,458.40 and 96,509.04

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Solution

The fourth proportional to 254,238.72, 381,458.40 and 96,509.04 is: 144,801.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,238.72 : 381,458.40 = 96,509.04 : x
  2. Step 2: Convert to fraction form
    254,238.72/381,458.40 = 96,509.04/x
  3. Step 3: Cross multiply
    254,238.72x = 381,458.40 × 96,509.04
  4. Step 4: Simplify right side
    254,238.72x = 36,814,183,983.94
  5. Step 5: Solve for x
    x = 36,814,183,983.94/254,238.72
  6. Step 6: Final answer
    x = 144,801.64

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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.