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Finding the Fourth Proportional to 378,358.92, 567,648 and 112,124.52

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Solution

The fourth proportional to 378,358.92, 567,648 and 112,124.52 is: 168,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,358.92 : 567,648 = 112,124.52 : x
  2. Step 2: Convert to fraction form
    378,358.92/567,648 = 112,124.52/x
  3. Step 3: Cross multiply
    378,358.92x = 567,648 × 112,124.52
  4. Step 4: Simplify right side
    378,358.92x = 63,647,259,528.96
  5. Step 5: Solve for x
    x = 63,647,259,528.96/378,358.92
  6. Step 6: Final answer
    x = 168,219.27

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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.