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Finding the Fourth Proportional to 234,745.77, 323,949.32 and 127,315.77

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Solution

The fourth proportional to 234,745.77, 323,949.32 and 127,315.77 is: 175,695.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,745.77 : 323,949.32 = 127,315.77 : x
  2. Step 2: Convert to fraction form
    234,745.77/323,949.32 = 127,315.77/x
  3. Step 3: Cross multiply
    234,745.77x = 323,949.32 × 127,315.77
  4. Step 4: Simplify right side
    234,745.77x = 41,243,856,480.20
  5. Step 5: Solve for x
    x = 41,243,856,480.20/234,745.77
  6. Step 6: Final answer
    x = 175,695.85

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1.5x scale

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.