Home / 234,834.50-324,072.58-127,405.32

Finding the Fourth Proportional to 234,834.50, 324,072.58 and 127,405.32

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Solution

The fourth proportional to 234,834.50, 324,072.58 and 127,405.32 is: 175,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,834.50 : 324,072.58 = 127,405.32 : x
  2. Step 2: Convert to fraction form
    234,834.50/324,072.58 = 127,405.32/x
  3. Step 3: Cross multiply
    234,834.50x = 324,072.58 × 127,405.32
  4. Step 4: Simplify right side
    234,834.50x = 41,288,570,758.13
  5. Step 5: Solve for x
    x = 41,288,570,758.13/234,834.50
  6. Step 6: Final answer
    x = 175,819.87

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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.