Home / 216,834.72-325,438.91-150,321.56

Finding the Fourth Proportional to 216,834.72, 325,438.91 and 150,321.56

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Solution

The fourth proportional to 216,834.72, 325,438.91 and 150,321.56 is: 225,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,834.72 : 325,438.91 = 150,321.56 : x
  2. Step 2: Convert to fraction form
    216,834.72/325,438.91 = 150,321.56/x
  3. Step 3: Cross multiply
    216,834.72x = 325,438.91 × 150,321.56
  4. Step 4: Simplify right side
    216,834.72x = 48,920,484,182.61
  5. Step 5: Solve for x
    x = 48,920,484,182.61/216,834.72
  6. Step 6: Final answer
    x = 225,611.86

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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.