Home / 219,291.82-328,834.04-100,928.14

Finding the Fourth Proportional to 219,291.82, 328,834.04 and 100,928.14

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Solution

The fourth proportional to 219,291.82, 328,834.04 and 100,928.14 is: 151,344.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,291.82 : 328,834.04 = 100,928.14 : x
  2. Step 2: Convert to fraction form
    219,291.82/328,834.04 = 100,928.14/x
  3. Step 3: Cross multiply
    219,291.82x = 328,834.04 × 100,928.14
  4. Step 4: Simplify right side
    219,291.82x = 33,188,608,025.89
  5. Step 5: Solve for x
    x = 33,188,608,025.89/219,291.82
  6. Step 6: Final answer
    x = 151,344.49

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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.