Home / 329,918.92-494,815.20-140,483.68

Finding the Fourth Proportional to 329,918.92, 494,815.20 and 140,483.68

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Solution

The fourth proportional to 329,918.92, 494,815.20 and 140,483.68 is: 210,698.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,918.92 : 494,815.20 = 140,483.68 : x
  2. Step 2: Convert to fraction form
    329,918.92/494,815.20 = 140,483.68/x
  3. Step 3: Cross multiply
    329,918.92x = 494,815.20 × 140,483.68
  4. Step 4: Simplify right side
    329,918.92x = 69,513,460,215.94
  5. Step 5: Solve for x
    x = 69,513,460,215.94/329,918.92
  6. Step 6: Final answer
    x = 210,698.62

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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.