Home / 230,060.46-345,145.96-72,288.78

Finding the Fourth Proportional to 230,060.46, 345,145.96 and 72,288.78

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Solution

The fourth proportional to 230,060.46, 345,145.96 and 72,288.78 is: 108,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,060.46 : 345,145.96 = 72,288.78 : x
  2. Step 2: Convert to fraction form
    230,060.46/345,145.96 = 72,288.78/x
  3. Step 3: Cross multiply
    230,060.46x = 345,145.96 × 72,288.78
  4. Step 4: Simplify right side
    230,060.46x = 24,950,180,370.33
  5. Step 5: Solve for x
    x = 24,950,180,370.33/230,060.46
  6. Step 6: Final answer
    x = 108,450.54

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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.