Home / 301,076.10-451,395.45-123,491.70

Finding the Fourth Proportional to 301,076.10, 451,395.45 and 123,491.70

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Solution

The fourth proportional to 301,076.10, 451,395.45 and 123,491.70 is: 185,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,076.10 : 451,395.45 = 123,491.70 : x
  2. Step 2: Convert to fraction form
    301,076.10/451,395.45 = 123,491.70/x
  3. Step 3: Cross multiply
    301,076.10x = 451,395.45 × 123,491.70
  4. Step 4: Simplify right side
    301,076.10x = 55,743,591,492.77
  5. Step 5: Solve for x
    x = 55,743,591,492.77/301,076.10
  6. Step 6: Final answer
    x = 185,147.85

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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.