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Finding the Fourth Proportional to 272,097, 408,149.65 and 103,626.65

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Solution

The fourth proportional to 272,097, 408,149.65 and 103,626.65 is: 155,441.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,097 : 408,149.65 = 103,626.65 : x
  2. Step 2: Convert to fraction form
    272,097/408,149.65 = 103,626.65/x
  3. Step 3: Cross multiply
    272,097x = 408,149.65 × 103,626.65
  4. Step 4: Simplify right side
    272,097x = 42,295,180,928.17
  5. Step 5: Solve for x
    x = 42,295,180,928.17/272,097
  6. Step 6: Final answer
    x = 155,441.56

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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.