Home / 309,910.40-464,865.60-110,237.30

Finding the Fourth Proportional to 309,910.40, 464,865.60 and 110,237.30

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Solution

The fourth proportional to 309,910.40, 464,865.60 and 110,237.30 is: 165,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,910.40 : 464,865.60 = 110,237.30 : x
  2. Step 2: Convert to fraction form
    309,910.40/464,865.60 = 110,237.30/x
  3. Step 3: Cross multiply
    309,910.40x = 464,865.60 × 110,237.30
  4. Step 4: Simplify right side
    309,910.40x = 51,245,528,606.88
  5. Step 5: Solve for x
    x = 51,245,528,606.88/309,910.40
  6. Step 6: Final answer
    x = 165,355.95

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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.