Home / 221,323.40-331,518.30-150,289.64

Finding the Fourth Proportional to 221,323.40, 331,518.30 and 150,289.64

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Solution

The fourth proportional to 221,323.40, 331,518.30 and 150,289.64 is: 225,117.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,323.40 : 331,518.30 = 150,289.64 : x
  2. Step 2: Convert to fraction form
    221,323.40/331,518.30 = 150,289.64/x
  3. Step 3: Cross multiply
    221,323.40x = 331,518.30 × 150,289.64
  4. Step 4: Simplify right side
    221,323.40x = 49,823,765,960.41
  5. Step 5: Solve for x
    x = 49,823,765,960.41/221,323.40
  6. Step 6: Final answer
    x = 225,117.48

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1.5x scale

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.