Home / 309,974.90-464,847.15-122,947.70

Finding the Fourth Proportional to 309,974.90, 464,847.15 and 122,947.70

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Solution

The fourth proportional to 309,974.90, 464,847.15 and 122,947.70 is: 184,375.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,974.90 : 464,847.15 = 122,947.70 : x
  2. Step 2: Convert to fraction form
    309,974.90/464,847.15 = 122,947.70/x
  3. Step 3: Cross multiply
    309,974.90x = 464,847.15 × 122,947.70
  4. Step 4: Simplify right side
    309,974.90x = 57,151,887,944.06
  5. Step 5: Solve for x
    x = 57,151,887,944.06/309,974.90
  6. Step 6: Final answer
    x = 184,375.86

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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.