Home / 300,835.87-415,144.10-164,867.34

Finding the Fourth Proportional to 300,835.87, 415,144.10 and 164,867.34

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Solution

The fourth proportional to 300,835.87, 415,144.10 and 164,867.34 is: 227,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,835.87 : 415,144.10 = 164,867.34 : x
  2. Step 2: Convert to fraction form
    300,835.87/415,144.10 = 164,867.34/x
  3. Step 3: Cross multiply
    300,835.87x = 415,144.10 × 164,867.34
  4. Step 4: Simplify right side
    300,835.87x = 68,443,705,452.65
  5. Step 5: Solve for x
    x = 68,443,705,452.65/300,835.87
  6. Step 6: Final answer
    x = 227,511.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.