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Finding the Fourth Proportional to 442,753.28, 664,483.79 and 229,581.94

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Solution

The fourth proportional to 442,753.28, 664,483.79 and 229,581.94 is: 344,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,753.28 : 664,483.79 = 229,581.94 : x
  2. Step 2: Convert to fraction form
    442,753.28/664,483.79 = 229,581.94/x
  3. Step 3: Cross multiply
    442,753.28x = 664,483.79 × 229,581.94
  4. Step 4: Simplify right side
    442,753.28x = 152,553,476,519.50
  5. Step 5: Solve for x
    x = 152,553,476,519.50/442,753.28
  6. Step 6: Final answer
    x = 344,556.40

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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.