Home / 409,815.92-614,576-173,176.88

Finding the Fourth Proportional to 409,815.92, 614,576 and 173,176.88

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Solution

The fourth proportional to 409,815.92, 614,576 and 173,176.88 is: 259,702.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,815.92 : 614,576 = 173,176.88 : x
  2. Step 2: Convert to fraction form
    409,815.92/614,576 = 173,176.88/x
  3. Step 3: Cross multiply
    409,815.92x = 614,576 × 173,176.88
  4. Step 4: Simplify right side
    409,815.92x = 106,430,354,202.88
  5. Step 5: Solve for x
    x = 106,430,354,202.88/409,815.92
  6. Step 6: Final answer
    x = 259,702.83

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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.