Home / 253,977.36-381,029.52-179,243.40

Finding the Fourth Proportional to 253,977.36, 381,029.52 and 179,243.40

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Solution

The fourth proportional to 253,977.36, 381,029.52 and 179,243.40 is: 268,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,977.36 : 381,029.52 = 179,243.40 : x
  2. Step 2: Convert to fraction form
    253,977.36/381,029.52 = 179,243.40/x
  3. Step 3: Cross multiply
    253,977.36x = 381,029.52 × 179,243.40
  4. Step 4: Simplify right side
    253,977.36x = 68,297,026,665.17
  5. Step 5: Solve for x
    x = 68,297,026,665.17/253,977.36
  6. Step 6: Final answer
    x = 268,909.90

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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.