Home / 384,977.01-577,321.70-132,185.73

Finding the Fourth Proportional to 384,977.01, 577,321.70 and 132,185.73

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Solution

The fourth proportional to 384,977.01, 577,321.70 and 132,185.73 is: 198,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,977.01 : 577,321.70 = 132,185.73 : x
  2. Step 2: Convert to fraction form
    384,977.01/577,321.70 = 132,185.73/x
  3. Step 3: Cross multiply
    384,977.01x = 577,321.70 × 132,185.73
  4. Step 4: Simplify right side
    384,977.01x = 76,313,689,698.41
  5. Step 5: Solve for x
    x = 76,313,689,698.41/384,977.01
  6. Step 6: Final answer
    x = 198,229.21

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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.